(完整版)英语时态、语态专题训练及超详细答案、解释

英语时态、语态专题训练一．选择题（共50小题）1．I half of the English novel，and I'll try to finish it at the weekend．（）A．read B．have read C．am reading D．will read2．Jack in the lab when the power cut occurred．（）A．works B．has worked C．was working D．would work3．When walking down the street，I came across David，who I _____ for years．（）A．didn't see B．haven't seen C．hadn't seen D．wouldn't see4．Silk ______ one of the primary goods traded along the Silk Road by about 100BC．（）A．had become B．was becoming C．has become D．is becoming 5．Dashan，who crosstalk，the Chinese comedic tradition，for decades，wants to mix it up with the Western stand﹣up tradition．（）A．will be learning B．is learningC．had been learning D．has been learning6．﹣Excuse me，which movie are you waiting for？﹣The new Star Wars．We here for more than two hours．（）A．waited B．waitC．would be waiting D．have been waiting7．However frequently he in doing the experiment，he never loses hisconfidence．（）A．defeat B．gets defeatedC．was defeated D．will defeat8．I will have acquired a lot of knowledge and become fully equipped for future life by the time I ________ from college．（）A．graduated B．graduateC．will graduate D．had graduated9．As the town ______ good restaurants，we just treated the foreign friends to some local food at home yesterday．（）A．didn't have B．doesn't have C．won't have D．hadn't had10．How happy we are！The winter holiday we have been looking forward ____soon．（）A．has come B．to have comeC．to coming D．to will come11．﹣﹣﹣We'd better leave now．﹣﹣﹣No hurry．The train ______ at 10 o'clock．（）A．has left B．left C．leaves D．would leave12．It is known that oil ________ on water．（）A．floats B．floated C．was floated D．is floated13．The Dragon Boat Festival ________ the beginning of the hottest season of the year．（）A．is marking B．marks C．will mark D．marked14．As you go through this book，you __________ that each of the millions of peoplewho lived through World War II had a different experience．（）A．will find B．found C．had found D．have found15．﹣Have you persuaded him？﹣Yes．After hours of discussion，I___________ to reason him into accepting the new plan．（）A．managed B．would manage C．have managed D．had managed 16．Jane can't attend the meeting at 3o'clock this afternoon because she __________ a class at that time．（）A．will teach B．would teachC．has taught D．will be teaching17．Since its start，WeChat ________ into the most popular messaging communication service in China．（）A．has developed B．developedC．develops D．was developing18．He ______ in a youth hostel for two months when he was in London．（）A．has stayed B．stayedC．had stayed D．had been staying19．﹣The room looks bigger!﹣We ______ the furniture．（）A．have changed B．had changed C．changed D．are changing20．His sister left home in 2010，and ____ since．（）A．had not been heard of B．has not been heard ofC．had not heard of D．has not heard of21．﹣﹣﹣The iphone6s has been on the market for some time．Have you got one？﹣﹣﹣Yes，I __________ one during my visit to Hong Kong．（）A．bought B．have bought C．had bought D．would buy22．﹣Long time no see．Haven't you graduated from college？﹣Yes．I ______ Social Science for 4 years in Shanghai．（）A．study B．have studied C．studied D．am studying23．﹣Dr．Jackson is not in his office at the moment．﹣All right．I__________ him later．（）A．will call B．have calledC．call D．will be calling24．﹣﹣﹣Have you got any job offers？﹣﹣﹣No．I _____．（）A．waited B．had been waitingC．have waited D．am waiting25．Albert Einstein was born in 1879．As a child，few people guessed that he __________a famous scientist whose theories would change the world．（）A．has been B．had beenC．was going to be D．was26．This sustainable development needs to be different from past development，which ________ the pollution of the environment and waste of natural resources．（）A．caused B．will cause C．had caused D．causes27．﹣Did you note down what the teacher said？﹣Sorry．I my Iphone 6 just now．（）A．had played B．have played C．would play D．was playing28．﹣Sorry for being late this morning．﹣Never mind．The weather was terrible and many people ______ the bus．（）A．miss B．will miss C．missed D．have missed29．Mobile payment ______ more and more popular in the last two years．（）A．has become B．will become C．became D．had become30．I ______ football since I left university．（）A．didn't play B．don't playC．won't play D．haven't played31．A team of scientists _____ the effects of acid rain over the last twenty﹣year period．（）A．studied B．had studiedC．is studying D．has been studying32．We didn't get a hotel room because we ______ in advance．（）A．hadn't booked B．haven't bookedC．weren't booking D．wouldn't book33．﹣﹣﹣Let's go to the cinema this Sunday morning．﹣﹣﹣I'd love to，but I ________ as a volunteer in my community then．（）A．will work B．have workedC．will be working D．was working34．Don't phone me between 10：00and 11：30 tomorrow morning．I a meeting then．（）A．had B．haveC．was having D．will be having35．﹣Could I use your car tomorrow morning？﹣Sure．I _______ a report at home．（）A．will be writing B．will have writtenC．have written D．have been writing36．At college，Barack Obama didn't know that he __________ the first black president of the United States of America．（）A．was to become B．becomesC．is to become D．became37．In the last few years，China__________ great achievements in environmental protection．（）A．has made B．had made C．was making D．is making38．I ________down to London when I suddenly found that I was on the wrong road．（）A．was driving B．have driven C．would drive D．drove39．Kimberly ______ an article，so don't disturb her．（）A．would write B．writes C．wrote D．is writing40．Chinese people's spending on overseas trips ______ year by year．（）A．had risen B．rise C．is rising D．rose41．Mr．Smith let off upon me the speech he_______ to make all along．（）A．had died B．diedC．was dying D．had been dying42．After school we went to the reading﹣room to do some reading，only to be told that it ．（）A．was decorated B．had decoratedC．had been decorating D．was being decorated43．The train we ________ for so long was crowded，so we decided to catch a later one．（）A．have been waiting B．were waitingC．had been waiting D．have waited44．﹣I hope you'll make good efforts while I'm away．﹣Be assured!You'll be amazed at what ________ accomplished when you get back．（）A．will have been B．has beenC．was D．would be45．We ________ our new restaurant in Manhattan by the time you visit us in New York．（）A．had opened B．will have openedC．would open D．have opened46．You are hardworking and surely most of you _____ a college admission notice by the end of September this year．（）A．will receive B．will be receivingC．will be received D．will have received47．More efforts，as reported，in the years ahead to accelerate the supply side structional reform．（）A．are made B．will be madeC．are being made D．have been made48．The students have been working hard on their lessons and their efforts______ success in the end．（）A．rewarded B．were rewardedC．will reward D．will be rewarded49．Despite the previous rounds of talks，no agreement __________ so far by the two sides．（）A．has been reached B．was reachedC．will reach D．will have reached50．More subway lines ______ to make travelling easy in Beijing in the coming years．（）A．will build B．will be builtC．build D．are built英语时态、语态专题训练参考答案与试题解析一．选择题（共50小题）1．I half of the English novel，and I'll try to finish it at the weekend．（）A．read B．have read C．am reading D．will read【解答】答案：B．选项A是一般过去时，表示过去某个时间点发生的动作；选项B是现在完成时，表示从过去某个时间点开始的动作，一直持续到现在，还可能继续下去；选项C是现在进行时，表示正在进行的动作或存在的状态；选项D是过去将来时，表示将来要发生的动作或存在的状态．根据语境可知，"看小说"这一动作发生在过去，到目前为止看了一半，还要继续看下去，所以用现在完成时，故选B．2．Jack in the lab when the power cut occurred．（）A．works B．has worked C．was working D．would work【解答】答案C．本题考查的时态，根据句意，杰克正在实验室里工作突然发生了停电．be doing sth…when 表示正在做某事..突然…，由"occurred"可知本题用过去进行时，故选C．3．When walking down the street，I came across David，who I _____ for years．（）A．didn't see B．haven't seen C．hadn't seen D．wouldn't see【解答】答案：C．根据"I came across David，"可知偶遇戴维是在过去，而"not see"这个动作发生在"come across"之前，是过去的过去发生的动作，用过去完成时．选项A是一般过去时，表示过去某个时间点发生的动作；选项B是现在完成时，表示从过去某个时间点开始的动作，一直持续到现在；选项D是过去将来时，表示从过去的某一时间来看将来要发生的动作或存在的状态；故选C．4．Silk ______ one of the primary goods traded along the Silk Road by about 100BC．（）A．had become B．was becoming C．has become D．is becoming【解答】答案：A句中的时间状语"by about 100BC"意为：到大约公元前100年为止，大约公元前100年之前；表示在过去之前；所以此处应使用过去完成时即had+动词的过去分词形式；B．was becoming过去进行时，表示在过去某一时刻或某一段时间内进行或发生的动作，不强调是否完成；C．has become 现在完成时，表示过去发生的动作对现在造成的影响或结果，动作发生的时间是过去；D．is becoming现在进行时，表示现在正在发生的动作或存在的状态；因此B．C．D都不合句意；故选A5．Dashan，who crosstalk，the Chinese comedic tradition，for decades，wants to mix it up with the Western stand﹣up tradition．（）A．will be learning B．is learningC．had been learning D．has been learning【解答】答案：D．根据句中的时间状语for decades可知应该使用完成时，所以排除A和B两项；由句意"一直潜心研究中国的传统戏剧﹣﹣相声好几十年"和常识可知，大山研究中国的相声还在进行中，所以用现在完成进行时；故选D．mix sth up with sth将…和…联合起来；stand﹣up tradition独角戏剧，脱口秀传统．6．﹣Excuse me，which movie are you waiting for？﹣The new Star Wars．We here for more than two hours．（）A．waited B．waitC．would be waiting D．have been waiting【解答】答案D．本题考查时态，根据题目中时间状语for+段时间，与完成时连用，根据句意，已经等了两个多小时，可能还会继续等下去，故用have been doing，表示过去发生的动作，可能刚刚结束，还可能继续持续下去．故选D．7．However frequently he in doing the experiment，he never loses his confidence．（）A．defeat B．gets defeatedC．was defeated D．will defeat【解答】答案选B be defeated 被打败与get defeated的意思相同．从句中有频度副词frequently 频繁地，屡次地；主句使用的又是一般现在时，表明现在的情况．故选B8．I will have acquired a lot of knowledge and become fully equipped for future life by the time I ________ from college．（）A．graduated B．graduateC．will graduate D．had graduated【解答】答案选B本题考查的是时态．选择哪种时态，需要看题目中的提示．由于主句I will have acquired…for future life 使用了将来完成时，by the time"当…的时候"引导的从句要使用一般现在时．9．As the town ______ good restaurants，we just treated the foreign friends to some local food at home yesterday．（）A．didn't have B．doesn't have C．won't have D．hadn't had【解答】答案：B"As the town ______ good restaurants"描述的是现实情况：镇上没有好的餐馆，所以要用一般现在时态；故选B10．How happy we are！The winter holiday we have been looking forward ____soon．（）A．has come B．to have comeC．to coming D．to will come【解答】答案：D"The winter holiday we have been looking forward ____soon．"此句中的固定短语look forward to是"期待，期盼"的意思，其中的to不可以省略；分析该句的结构可知；本句的主语是一个定语从句（The winter holiday为句中的先行词，从句we have been looking forward to省略了作宾语的关系代词that/which），时间状语soon 意为"不久，很快"是表示将来的时间，所以本句要使用一般将来时即will+动词原形的形式．故选D．11．﹣﹣﹣We'd better leave now．﹣﹣﹣No hurry．The train ______ at 10 o'clock．（）A．has left B．left C．leaves D．would leave【解答】答案：C 本题考查时态的用法．在表示时间表上或不可轻易更改的动作时，一般现在时态可以用来表达将来发生的动作，是将来时态的一种特殊表示法．故选C．12．It is known that oil ________ on water．（）A．floats B．floated C．was floated D．is floated【解答】答案：A．根据句意"油会漂浮在水上"可知，这是一个一般性的客观事实，结合主句的be 动词为现在时，可知，应该使用一般现在时．故选A．13．The Dragon Boat Festival ________ the beginning of the hottest season of the year．（）A．is marking B．marks C．will mark D．marked【解答】答案：B 本题考查一般现在时态的用法．一般现在时态用来表达：经常性习惯性动作；客观事实；不变是真理等．题干表示的是客观常识，故选B．14．As you go through this book，you __________ that each of the millions of people who lived through World War II had a different experience．（）A．will find B．found C．had found D．have found【解答】答案：A 因为在as，when，as soon as 等引导的时间状语从句中，当主句是将来时态时，从句用一般现在时代替．所以主句用将来时．A项是一般将来时，符合题意，故选A项．；B项是过去式；C项是过去完成时；D项是现在完成时，都应排除．15．﹣Have you persuaded him？﹣Yes．After hours of discussion，I___________ to reason him into accepting the new plan．（）A．managed B．would manage C．have managed D．had managed【解答】答案：A答语中"After hours of discussion"意为：经过数小时的讨论之后，是表示过去的时间状语，因此"I___________ to reason him into accepting the new plan"陈述的应是发生在过去的实际结果，要使用一般过去时；故选A16．Jane can't attend the meeting at 3o'clock this afternoon because she __________ a class at that time．（）A．will teach B．would teachC．has taught D．will be teaching【解答】答案：DA项是一般将来时；B项是过去将来时；C项是现在完成时；D项是将来进行时．由at that time可知，Jane那时正在上课，而且是下午三点，还没发生，是将来正在进行着的动作；而一般将来时只是将要发生的动作，不强调正在进行．故选D项．17．Since its start，WeChat ________ into the most popular messaging communication service in China．（）A．has developed B．developedC．develops D．was developing【解答】答案：A 本题考查现在完成时态的用法．题干中，since its start从它开始出现起，是表示从过去到现在的持续时间段，是完成时态典型的时间状语．故选A．18．He ______ in a youth hostel for two months when he was in London．（）A．has stayed B．stayedC．had stayed D．had been staying【解答】答案为B由语境：当他在伦敦时，句中was，可知是叙述过去的事情，用一般过去时．故选B．19．﹣The room looks bigger!﹣We ______ the furniture．（）A．have changed B．had changed C．changed D．are changing【解答】答案：A．本题考查时态，根据句意，家具是"过去"换的，但是对现在造成了影响，即"房间看起来更大了"，因此选择A现在完成时，表示过去发生的动作，对现在的影响．20．His sister left home in 2010，and ____ since．（）A．had not been heard of B．has not been heard ofC．had not heard of D．has not heard of【解答】答案为B．根据句意可知，sister与hear of之间是被动关系，since后其实要省略了时间点2010，由此可知，要用现在完成时．故选B．21．﹣﹣﹣The iphone6s has been on the market for some time．Have you got one？﹣﹣﹣Yes，I __________ one during my visit to Hong Kong．（）A．bought B．have bought C．had bought D．would buy【解答】答案选Aduring my visit to Hong Kong（在我访问香港期间），是一个过去的时间，所以用一般过去时．故选A22．﹣Long time no see．Haven't you graduated from college？﹣Yes．I ______ Social Science for 4 years in Shanghai．（）A．study B．have studied C．studied D．am studying【解答】答案为C．根据前面的"yes"可知说话人已经毕业，并非延续至今，所以不用完成时，而用过去时态．故选C．23．﹣Dr．Jackson is not in his office at the moment．﹣All right．I__________ him later．（）A．will call B．have calledC．call D．will be calling【解答】答案：A 由later可知，此处应用一般将来时态．A项是一般将来时；B 项是现在完成时；C项是一般现在时；D项是将来进行时．故选A项．24．﹣﹣﹣Have you got any job offers？﹣﹣﹣No．I _____．（）A．waited B．had been waitingC．have waited D．am waiting【解答】答案是D．根据句意说明说话的时候还没有找到工作，还在等消息，指当时正在发生的事情，故使用现在进行时．故D正确．25．Albert Einstein was born in 1879．As a child，few people guessed that he __________a famous scientist whose theories would change the world．（）A．has been B．had beenC．was going to be D．was【解答】答案C．A选项是现在完成时（用以表达过去的动作对现在的影响，往往有一些关键的词比如说since或者是for加一段时间），B选项是过去完成时（具备的条件是有两个动词，而且其中一个动作要在另一个动作之前发生，那么这个之前发生的动词就使用过去完成时），D选项是过去时（表达过去的动作），C项表示过去将来时，符合语境，故选C．26．This sustainable development needs to be different from past development，which ________ the pollution of the environment and waste of natural resources．（）A．caused B．will cause C．had caused D．causes【解答】答案：A根据句意可知，"which ________ the pollution of the environment and waste of natural resources"是非限定性的定语从句，修饰它前面的先行词past development，因此从句描述的是过去的发展状况，故用一般过去时；故选A27．﹣Did you note down what the teacher said？﹣Sorry．I my Iphone 6 just now．（）A．had played B．have played C．would play D．was playing【解答】答案选D根据句意得知"noted down what the teacher said，"与"play Iphone 6"两个动作同时进行，即：没记下老师说的，是因为当时正在玩手机，所以要用过去进行时．故选D．28．﹣Sorry for being late this morning．﹣Never mind．The weather was terrible and many people ______ the bus．（）A．miss B．will miss C．missed D．have missed【解答】答案：C根据句意可知，这里谈论的是今天早上的事，并且"The weather was terrible"使用了一般过去时，由并列连词and 连接的后半句也应使用一般过去时；D．现在完成时表示过去发生的动作对现在存在的影响或产生的结果；而此处只是表示在过去时间里发生的动作；故选C29．Mobile payment ______ more and more popular in the last two years．（）A．has become B．will become C．became D．had become【解答】答案A．由时间状语in the last/past+段时间可知，用现在完成时．故选A．"will do"表示将要做某事；"Ved"表示过去的客观事实；"had done"表示过去的过去，过去有两个动作，先发生的用过去完成时，后发生的用一般过去时．30．I ______ football since I left university．（）A．didn't play B．don't playC．won't play D．haven't played【解答】答案D．由时间状语since I left university可知，主句用现在完成时．故选D．31．A team of scientists _____ the effects of acid rain over the last twenty﹣year period．（）A．studied B．had studiedC．is studying D．has been studying【解答】答案：D．根据时间状语over the last twenty﹣year period可知用现在完成进行时，表示从过去开始的动作持续到现在且一直还将进行下去，表达了他们的执着精神；故选D．32．We didn't get a hotel room because we ______ in advance．（）A．hadn't booked B．haven't bookedC．weren't booking D．wouldn't book【解答】答案：A"We didn't get a hotel room"使用了一般过去时，描述了过去的情况：我们没住上酒店的房间；后一句"because we ______ in advance"表达的原因是发生在此之前的动作，故用过去完成时；故选A33．﹣﹣﹣Let's go to the cinema this Sunday morning．﹣﹣﹣I'd love to，but I ________ as a volunteer in my community then．（）A．will work B．have workedC．will be working D．was working【解答】答案：C 根据语境，then是指"this Sunday morning"，是将来时间，考试容易混淆一般将来时态和将来进行时态，将来进行时表示将来某时正在进行的动作，一般将来时表示将来某时将要发生的动作，同时可以表示委婉语气．根据上下文，说话的人是委婉拒绝前面的建议，并表示那个时候讲会正在做某事，所以本题用将来进行时态．34．Don't phone me between 10：00and 11：30 tomorrow morning．I a meeting then．（）A．had B．haveC．was having D．will be having【解答】答案：D根据句中的时间状语between 10：00and 11：30tomorrow morning可知这表示将来某个时间点或时间段正在进行的动作和状态，用将来进行时．句末的then指的是between 10：00 and 11：30 tomorrow morning，所以选D．have a meeting 意为"开会"．35．﹣Could I use your car tomorrow morning？﹣Sure．I _______ a report at home．（）A．will be writing B．will have writtenC．have written D．have been writing【解答】答案：A．结合句意"明天上午我会在写报告"可知，答语强调的是明天上午自己在干的事情，所以用将来进行时．故选A．36．At college，Barack Obama didn't know that he __________ the first black president of the United States of America．（）A．was to become B．becomesC．is to become D．became【解答】答案A．根据句意和语境可知，句中didn't know可知是过去发生的事情，排除B和C项，D项是过去时表示过去发生的动作，A项betodo过去将来时的一种结构，"was to do"表过去将要做某事，结合句意，A项符合语境，故选A．37．In the last few years，China__________ great achievements in environmental protection．（）A．has made B．had made C．was making D．is making【解答】答案：A．由题干中的时间短语in the last few years可知，谓语动作从过去开始并持续到现在且对现在产生了影响，所以谓语动词用现在完成式，故选A．B选项表示在过去某一时刻或动作以前完成了的动作，即"过去的过去"；C选项表示在过去某一时刻或某一段时间内正在进行或发生的动作；D选项表示正在进行的动作或存在的状态；38．I ________down to London when I suddenly found that I was on the wrong road．（）A．was driving B．have driven C．would drive D．drove【解答】答案：A根据句意可知，when I sud denly found…我突然发现我走错路了，说明当时我正在路上开着车，叙述是过去某个时间点正在进行的动作，故使用过去进行时，即答案为A．39．Kimberly ______ an article，so don't disturb her．（）A．would write B．writes C．wrote D．is writing【解答】答案：D．本题考查时态，根据句意"Kimberly正在写文章"，选用现在进行时，表示说话时刻正在进行的动作．故选D．A would write 过去将来时，必须和一般过去时结合使用，表示过去的将来；B writes 一般现在时，表示经常、习惯的动作或者客观真理或者现在的事实或状态；C wrote 一般过去时，表示过去的动作，与现在无关．40．Chinese people's spending on overseas trips ______ year by year．（）A．had risen B．rise C．is rising D．rose【解答】答案C．本题中时间状语是year by year，表达"逐年"的意思，逐年增长，这是一个现在持续进行的过程，同时spending 翻译成开销，是不可数名词，选择现在进行时的单数形式，故选C．41．Mr．Smith let off upon me the speech he_______ to make all along．（）A．had died B．diedC．was dying D．had been dying【解答】答案：D．考查时态．本句正常语序是：Mr．Smith let off the speech…upon me．Let off 本意是：让…下车[下船]；引发，引爆；这里引申为"不断练习"，upon表示说话的对象．let off动作发生在过去．先后顺序：先准备演讲die to make the speech，然后是let off的过去的动作，所以die to这个动作是发生在过去的过去，应用过去完成进行时．be dying to do sth．渴望做某事．故选D．42．After school we went to the reading﹣room to do some reading，only to be told that it ．（）A．was decorated B．had decoratedC．had been decorating D．was being decorated【解答】答案D．根据句意"结果却被告知阅览室正在被装修"可知，阅览室装修是在我们去阅览室这个过去的时间正在发生的事情，故使用过去进行时．阅览室正在被装修，又要使用被动语态的形式．因此D项符合语境，其它选项均不符合，故选D．43．The train we ________ for so long was crowded，so we decided to catch a later one．（）A．have been waiting B．were waitingC．had been waiting D．have waited【解答】答案选C句中for so long是用于现在完成时态的时间状语，但根据语境可以推断出wait 这一动作应该发生在decided之前，意为在这之前一直在等这辆火车，即这一动作发生在过去的过去，要用过去完成进行时，故选C．44．﹣I hope you'll make good efforts while I'm away．﹣Be assured!You'll be amazed at what ________ accomplished when you get back．（）A．will have been B．has beenC．was D．would be【解答】答案：A．此处表示当你回来的时候（这个时间点是在将来的一个时间点），已经完成的动作或已经对动作产生的一定的影响，即此处的完成的任务让你感到惊讶，故用将来完成时，而what和accomplish之间为逻辑上的动宾关系，所以用被动语态．因此为将来完成时的被动语态，答案为A．45．We ________ our new restaurant in Manhattan by the time you visit us in New York．（）A．had opened B．will have openedC．would open D．have opened【解答】答案：B．根据句子中的时间状语by the time you visit us in New York可知，截止到你在纽约见到我们时，指的是将来的某个时刻，所以使用一般将来时，又根据句意"我们将会在曼哈顿开一家新饭店"可知，届时饭店已经开起来了，所以为完成时；综合来说用将来完成时最合适；故选B．46．You are hardworking and surely most of you _____ a college admission notice by the end of September this year．（）A．will receive B．will be receivingC．will be received D．will have received【解答】答案：D．by the end of作状语时，主句用完成时．根据句中by the end of September this year 可知是到今年九月底为止，所以这里应该用将来完成时，故选D．47．More efforts，as reported，in the years ahead to accelerate the supplyside structional reform．（）A．are made B．will be madeC．are being made D．have been made【解答】答案：B由于本句的主语More efforts与谓语动词make构成动宾关系，意为"做出更多的努力"，所以此处要用被动语态；句中"in the years ahead"意为"在未来的岁月里；在今后几年"是表示将来的时间状语，所以本句应使用一般将来时；结合以上分析，该空缺处需选一般将来时态的被动语态即will+be+done的形式；A．are made 一般现在时态的被动语态；C．are being made 现在进行时态的被动语态；D．have been made 现在完成时态的被动语态；故选B48．The students have been working hard on their lessons and their efforts______ success in the end．（）A．rewarded B．were rewardedC．will reward D．will be rewarded【解答】答案D．A和B表示过去的客观事实，根据句意，回报是将来发生的事，应该用一般将来时，而efforts和reward 是被动关系，故选D．49．Despite the previous rounds of talks，no agreement __________ so far by the two sides．（）A．has been reached B．was reachedC．will reach D．will have reached【解答】答案：A 由时间状语so far可知，句子应该用现在完成时态．又因为agreement和reach之间是被动关系，故应该用现在完成时的被动语．B 项是一般过去式；C项是一般将来时；D项是一般将来时的被动语态．都不符合题意，都排除，故选A项．50．More subway lines ______ to make travelling easy in Beijing in the coming years．（）A．will build B．will be builtC．build D．are built【解答】答案：B．本题考查时态，根据时间状语in the coming years判断为一般将来时，排除C和D；"地铁线路"是"被建造"，因此选择一般将来时的被动语态，排除A；故选B．。