(完整版)一般现在时练习题及答案
(完整版)一般现在时练习题及答案
一、一般现在时填空题1．I ________ to say that you have missed a good chance to visit the museum. (regret)【答案】regret【解析】【详解】句意：我很遗憾地说你已经错过了参观博物馆的好机会。
regret遗憾，且时态为一般现在时，主语为I，故填regret。
2．The experiment he devoted himself to ________ a perfect success. (prove)【答案】proved##proves【解析】【详解】句意：他致力于的实验证明是圆满成功的。
此处在句中作谓语，“证明”这一动作发生在过去或现在均可，主语是The experiment，动词使用动词过去式或动词三单。
故填proved/proves。
3．“Where is my ruler? Where are my pens?” Gina always ________ (ask).【答案】asks【解析】【详解】句意：吉娜总是问：“我的尺子在哪里？我的钢笔在哪里？”。
根据“always”可知此句时态为一般现在时，主语“Gina”是第三人称单数，谓语动词应用三单形式，ask问，三单形式是asks。
故填asks。
4．My twin brother often ___________ (dress) up as a cool boy.【答案】dresses【解析】【详解】句意：我的双胞胎弟弟经常打扮成一个很酷的男孩。
主语my twin brother是第三人称单数，故谓语用第三人称单数形式，故填dresses。
5．The little girl ________ (dress) herself every morning.【答案】dresses【解析】【详解】句意：那个小女孩每天给自己穿衣服。
短语dress oneself表示给某人自己穿衣；这里是一般现在时态，主语是第三人称单数，谓语动词变第三人称单数。
(完整版)一般现在时练习题及答案
(完整版)一般现在时练习题及答案一、单选题1．—When ________ she have English?—She ________ it on Wednesday.A．does；have B．do；have C．does；has 2．—Look, the boy there ________ big eyes and short hair.—How cool!A．are B．is C．have D．has3．Millie has a nice watch. It is not fast or slow. It ________ the right time. A．speaks B．tells C．tell D．says4．The shop ________ at 8 every morning and it is ________ for 12 hours every day. A．opens; opened B．opening; opened C．opens; opening D．opens; open 5．I don’t know if it ________ tomorrow. If it________, we won’t go on a picnic. A．rains; rains B．will rain; rains C．will rain; will rain D．is raining; rain 6．My mother ________ soup for us every day.A．makes B．is doing C．is making D．making7．Every morning, my alarm ______ at six to wake me up.A．go off B．goes off C．go away 8．—Simon, I hope you ________ your English.—Of course I will. Thank you!A．are improving B．to improve C．improves D．can improve 9．Parents around the world ________ children playing too many computer games. A．worries about B．worried about C．worry about D．is worried about 10．She won’t be happy if she this mess.A．will see B．sees C．saw D．to see 11．Tom often ________ one hour ________ on weekends.A．spend; playing football B．spends; play football C．spends; playing football D．spends; to play football.12．— Does she like her teacher ?— Yes, ________.A．she is B．she does C．she doesn’t 13．Water ________ at zero ________.A．froze, degree centigrade B．frozen, degree FahrenheitC．freezes, degree Celsius D．freezes, degrees centigrade 14．They ________ the answer now, so they ________ about looking it up in the dictionary.A．aren’t knowing; are thinking B．don’t know; are thinkingC．don’t know; thinks D．aren’t knowing; think15．What time does Jane ________ after school?A．do her homework B．does her homework C．do his homework D．does his homework16．Scott ________ a shower after breakfast.A．have B．take C．takes D．bring17．Tom has _______ homework to do, so he always _______ his homework first. A．many, does B．much, does C．lots of, do18．Lily with her parents often ________ English together.A．to speak B．speaking C．speak D．speaks 19．—Could you tell me ________?—Go along the street and turn left. You will find it without any difficulty.A．where the station was B．how can I get to the station C．which is the way to the station20．— Lily hopes to go to Harvard University in the future.— Well, if she keeps ________ hard and ________ herself, I think she will make it one day.A．working; believe B．to work; believe C．working; believes in D．to work; believes in二、用单词的正确形式填空21．My father always _________ (watch) TV in the evening but my mother doesn’t. 22．David ________ (need) a pencil box for school.23．Alan ________ (study) English every day.24．Susan ________ (smile) at him and waved.25．Everyone ________ (be) here, let’s begin our class.26．She ________ (play) football every day.27．The earth ________ (move) round the sun.28．A baby ________ for sixteen hours a day. (sleep)29．The new pair of glasses ________ me to see the words on the blackboard clearly. (able)30．Please show your health code (健康码) before you ________ this building.(entrance)31．He ________ (agree) with us. He thinks our plan is too difficult to perform. 32．Mr. Hu always _______ (play) games with us.33．The old computer ______________(break) down easily, so I have to restart it often.34．With a wave of her magic wand, the witch changes the frog into a handsome prince and then ________ (appearance) in a puff of smoke.35．You ________ (not have to) use it any more if it ________ (not suit) your needs. 36．John usually __________ (relaxing) on weekends.37．Our teacher told us that light ___________ (travel) much faster than sound. 38．Mr. Huang ________________ (teach) us Chinese.39．He _________(need) a bag for sports.40．One of my favorite movie ____ (star) is Jackson. He often ____ (surprise) me with his amazing performance.三、完成句子41．吉姆有份有趣的工作，他在一家象棋俱乐部工作。
(完整版)一般现在时练习题含答案
一、一般现在时填空题1．My best friend and I _______（be not）in the same school, we meet at weekends.【答案】are not##aren't【解析】【详解】句意：我最好的朋友和我不在同一所学校，我们在周末见面。
根据题干，可知时态是一般现在时，主语My best friend and I是复数形式，be动词用are ，否定形式在be动词后加not，故填are not/aren't。
2．The experiment he devoted himself to ________ a perfect success. (prove)【答案】proved##proves【解析】【详解】句意：他致力于的实验证明是圆满成功的。
此处在句中作谓语，“证明”这一动作发生在过去或现在均可，主语是The experiment，动词使用动词过去式或动词三单。
故填proved/proves。
3．Bill’s father _______ (have) two telephone numbers.【答案】has【解析】【详解】句意：比尔的爸爸有两个电话号码。
根据主语Bill’s father单三，谓语动词用单数形式；故填has4．— _____ she ____ (do) her homework every day?—Yes, she does.【答案】 Does do【解析】【详解】句意：——她每天做作业吗？——是的，她做。
所给词do为实义动词“做”，由于本句要求改为一般疑问句，且主语she为单数第三人称，故用选择助动词does来帮助do完成疑问句，助动词does后的动词要用原形形式，故答案为Does；do。
5．Tim usually ________（get）up at six o’clock.【答案】gets【解析】【详解】句意：Tim通常六点钟起床。
(完整版)一般现在时练习题含答案
一、一般现在时填空题1．The Christmas tree with lights ________ (look) beautiful.【答案】looks【解析】【详解】句意：装饰着灯的圣诞树看起来很美丽。
look“看”，动词；句子陈述一般事实，时态用一般现在时，句子主语The Christmas tree是单数，因此谓语动词也要用第三人称单数形式looks，介词短语with lights修饰“tree”，故填looks。
2．My sister _________(like) bread and milk for breakfast.【答案】likes【解析】【详解】句意：我姐姐早餐喜欢吃面包和牛奶。
观察句子缺少谓语动词，又因为主语为第三人称单数故填：likes。
3．Liu Xiang _____________ (run) very fast and I want to be a man like him.【答案】runs【解析】【详解】句意：刘翔跑得非常快，我想成为像他一样的人。
根据空缺处所在的句子是客观事实，所以时态是一般现在时，主语“Liu Xiang”是第三人称单数，所以用动词run“跑”的第三人称单数runs，故填runs。
4．— Sometimes I ________ (eat) lunch at school. What about you?— Me too.【答案】eat【解析】【详解】句意：——有时我在学校吃午餐。
你呢？——我也是。
根据“sometimes”可知，句子是一般现在时，主语I是第一人称，动词用原形，故填eat。
5．Tom as well as his parents _______ (enjoy) going to the cinema tonight.【答案】enjoys【解析】【详解】句意：汤姆和他的父母都喜欢今晚去看电影。
as well as连接两个主语时，谓语动词要与该结构前面的主语Tom保持一致，Tom是第三人称单数形式，而且句中时态是一般现在时，强调“事实”，所以谓语动词用第三人称单数形式。
(完整版)一般现在时练习题含答案解析
一、一般现在时填空题1．Miss Green _________ (teach) us English every day.【答案】teaches【解析】【详解】句意：格林小姐每天教我们英语。
teach教，动词；由句中的every day可知句子时态用一般现在时，主语Miss Green是第三人称单数形式，所以谓语动词teach也要用第三人称单数形式teaches。
故填teaches。
2．—Why do you hate working with Tom?—He is much selfish. He only ________ about himself. (care)【答案】cares【解析】【详解】句意：——你为什么讨厌和汤姆一起工作？——他很自私。
他只关心自己。
根据语境可知，该句为一般现在时，主语“He”是第三人称单数，谓语用动词的三单形式，“care”的三单形式是“cares”。
故填cares。
3．Everyone in our class ________ (like) to learn English.【答案】likes【解析】【详解】句意：我们班每个人都喜欢学英语。
本句时态是一般现在时，主语是“Everyone”，动词用三单，故填likes。
4．The sun ________ in the east and sets in the west. (rise)【答案】rises【解析】【详解】句意：太阳从东方升起，在西方落下。
此句是陈述客观事实，句子是一般现在时，主语the sun是单数形式，动词用三单形式，故填rises。
5．Susan ________ (smile) at him and waved.【答案】smiled【解析】【详解】句意：苏珊向他微笑并挥手致意。
smile“微笑”，是动词，由“waved”可知时态是一般过去时，故填smiled。
6．Alan ________ (study) English every day.【答案】studies【解析】【详解】句意：艾伦每天都学英语。
(完整版)一般现在时练习题附答案
一、一般现在时填空题1．Neither Sam nor I ________ (be) suitable for the position. We are too shy to be a monitor.【答案】am【解析】【详解】句意：萨姆和我都不适合这个职位。
我们太害羞了，当不了班长。
根据语境可知，句子陈述客观事实，时态为一般现在时；neither...nor...连接主语时，遵循“就近原则”，即谓语动词与离它最近的一个主语在人称和数上保持一致，最近的主语是I，be动词应使用am。
故填am。
2．Lee ________ (have) a soccer ball. Do you have one?【答案】has【解析】【详解】句意：李有一个足球。
你有吗？根据“Do you have one?”可知，时态是一般现在时，Lee作主语，谓语动词用三单形式，故填has。
3．Alan ________ (study) English every day.【答案】studies【解析】【详解】句意：艾伦每天都学英语。
根据“every day”可知，句子时态为一般现在时，因为“Alan”主语为第三人称单数，故填studies。
4．Mike ________ (cross) the river to school every day.【答案】crosses【解析】【分析】【详解】句意：迈克每天过河上学。
根据句子成分和时间状语“every day”可知，“cross”作谓语，时态用一般现在时，主语Mike是第三人称单数，谓语动词用三单形式“crosses”。
故填crosses。
5．My best friend ________ (have got) beautiful long hair.【答案】has got【解析】【详解】句意：我最好的朋友有漂亮的长头发。
分析句子成分可知，空格处作谓语。
根据“My bestfriend”可知，主语为单数，没有特殊时间标志，说明一般情况，该句要用一般现在时，谓语动词用单三形式。
完整版)一般现在时练习题附答案
完整版)一般现在时练习题附答案一、单选题1.People often feed animals in the zoo。
But it's wrong mostof the time.2.XXX dancing。
but I don't.3.XXX's handwriting is the best in the class。
and his XXX.4.The XXX.5.Did he have five baseballs?6.She used to play the piano every day.7.As a fan of music。
Jack often plays the lin in his free time.8.Every morning。
my alarm goes off at six to wake me up.9.What's wrong with her?10.I was a university student one year ago。
Now I am a XXX.1.人们经常在动物园里喂动物，但大多数情况下这是错误的。
2.XXX喜欢跳舞，但我不喜欢。
3.XXX的书写是班上最好的，他的老师为此感到自豪。
4.期末考试将于下周四举行。
5.他有五个棒球吗？6.她过去每天都弹钢琴。
7.作为一个音乐迷，XXX经常在空闲时间拉小提琴。
8.每天早上，我的闹钟六点钟响起来叫我起床。
9.她出了什么问题？10.一年前我是一名大学生，现在我是一名教师。
13.XXX to music in his free time as it is his interest.14.We are unsure if we can take a trip next Saturday as it may rain and we might have to postpone it.16.XXX XXX.17.I will go fishing on Sunday if it doesn't rain。
(完整版)一般现在时练习题及答案
14．I think the boy ________ (look) like his father. 【答案】looks 【解析】 【详解】 句意：我觉得这个男孩看起来像他的父亲。根据语境可知，该句为一般现在时，主语“the boy”是第三人称单数，谓语用动词的第三人称单数形式，“look”的第三人称单数形式是 “looks”。故填 looks。
2．Many kids ________ (在……有困难) getting along with their parents nowadays. 【答案】have trouble##have problems##have difficulty 【解析】 【详解】 句意：现在很多孩子与父母相处有困难。“在……有困难”为 have trouble/problems/difficulty doing sth.。本句为一般现在时，主语 many kid 是复数，动词 have 使用原形。故填 have trouble/problems/difficulty。
24．Sam often ________ (fly) kites with his friends on windy days. 【答案】flies 【解析】 【详解】 句意：萨姆经常在刮风的日子和他的朋友放风筝。根据“often”可知，该句为一般现在时， 主语“Sam”是第三人称单数，谓语用动词的三单形式，“fly”的三单形式是“flies”。故填 flies。
(完整版)一般现在时练习题附答案解析
一、一般现在时填空题1．Miss Green ________ (look) worried. What’s wrong with her?【答案】looks【解析】【详解】句意：格林小姐看上去很担心，她怎么了？look“看起来”，动词；由后半句可知句子时态用一般现在时，主语Miss Green是第三人称单数形式，因此谓语动词也要用第三人称单数形式，故填looks。
2．Listening to music ________ (make) me feel great and happy.【答案】makes【解析】【详解】句意：听音乐让我感觉很棒，也很快乐。
根据语境可知，该句为一般现在时，主语“Listening to music”是第三人称单数，谓语用动词的三单形式，“make”的三单形式是“makes”。
故填makes。
3．The population of the city _______（be）about 500,000.【答案】is【解析】【详解】句意：这个城市的人口是大约50万。
句子的主语是“The population”，是单数概念，be动词用“is”。
故填is。
4．A smile ________ (cost) nothing, but it brings us much. So, keep smiling!【答案】costs【解析】【详解】句意：微笑不需要任何成本，但它给我们带来很多。
所以，保持微笑！根据“brings”可知，句子是一般现在时，主语“a smile”是单数形式，动词用三单形式，故填costs。
5．There _________ (be) some orange juice in the glass.【答案】is【解析】【详解】句意：玻璃杯里有一些橙汁。
根据句意可知，句子是一般现在时，主语“some orange juice”是第三人称单数形式，故be用is。
故填is。
一般现在时练习题及答案
一般现在时练习题及答案(完整版)一般现在时练题及答案一、单选题1．He _________ at 6:00 in the afternoon. A．get homeA．areA．XXXA．amB．gets to homeB．isB．XXXB．isC．growingC．shoneC．wasC．doesC．readC．gets homeC．wereC．XXXD．get to homeD．wasD．XXXC．areD．grewD．was shoneD．wereD．doesn’tD．reads2．Look! There ________ a number of sheep eating grass on the hill.3．The teacher told us that light ________ faster than sound.4．My parents ________ in my school now.5．She is going to be a nurse when she ________ up.A．is going to growB．growsA．shinesA．areA．isA．to readB．is XXXB．isB．isn’tB．reading6．Happiness __________ XXX．Physics __________ much harder than English, I think.8．The jacket ________ go well with your pants.9．XXX’s grandpa watches TV news and newspap ers in the evening.10．—Mike, have you ________ learning to cook from your father if you are fired?—Yes. If he ________ , I’ll leave the company right now.A．decided; XXX; didC．considered; does11．—What are you doing?—I ________. I ________ for an hour every day.A．am reading, am readingsoccer.A．cleans; XXX cleaning;XXX; playsD．don’t13．Excuse me, sir! You ________ open the door before the train ________ .A．mustn’t; XXX’t; stopshave to; stop14．—What’s your plan for this Sunday?XXX’t have to; will stopB．read, readC．read, am readingD．am reading, read12．My brother usually ________ his classroom after school. But now he ________—If it ________ rain, we ________ fishing.A．doesn’t ; will goB．won’t ; will goC．isn’t ; will go15．—Can I help you, madam?—Yes, I bought this watch here last Sunday, but it________.A．XXX．—How do you usually go to school?—I ________ to school on foot every day.A．goA．plays, onB．wentB．play, onC．was goingC．play, atD．will goD．plays, for17．His family often _________ tricks on each other _________ XXX．—It ________ all day yesterday.—Yes. It often ________ here in winter.A．snowed; snows—That ________ good.A．go, soundsB．go, soundC．to go, soundsD．to go, sound20．—Helen’s already late for the train, right?—________ The train will leave in 5 minutes.A．Yes, she is.B．Yes, she has.C．No, she isn’t.D．No, she hasn’t.二、用单词的正确形式填空21．Our teacher told us that light ___________ (travel) much faster than sound.22．The police ________ (follow) the man in red along the lake.23．This pair of gloves ________ (be) XXX.24．The boy has short fair hair and he ______ (look) cool.25．Mary wants to find out what the big letter ____ (stand) for.26．My mother ____ (take) pride in me.27．The old computer ______________(break) down easily, so I have to restart itoften.28．If you freeze water, it ______ (turn) into ice.29．―Where is Kate?—She ___________ (fly) XXX and she will return XXX.30．My friend Jeff _______ (watch) TV every day.31．He often ______ (walk) his pet with his parents XXX ______ (buy) tickets on the Internet.B．snows; XXX; snowed19．—Let’s ________ and play soccer.33．She lives in a poor family. She never ________ (study) at school.34．Jenny will help me if she _______ (know) about it.35．His parents are really ________ (understand). If he ________ (have) problems,he can ________ (talk) to them.36．Look! Here ________ (come) XXX.37．___________ your mother ___________ (like) pears?38．My grandparents usually ________ (take) a walk in the park.39．His father’s work often _________ (finish) at 5:30 p.m. on Friday.40．It often ________ (take) her three hours to play sports.三、完成句子41．我每个星期六打扫房间。
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一、一般现在时填空题1．Miss Green _________ (teach) us English every day.【答案】teaches【解析】【详解】句意：格林小姐每天教我们英语。
teach教，动词；由句中的every day可知句子时态用一般现在时，主语Miss Green是第三人称单数形式，所以谓语动词teach也要用第三人称单数形式teaches。
故填teaches。
2．Daniel ________ (not play) football with his classmates after school.【答案】doesn’t play【解析】【详解】句意：Daniel 放学后不和同学们玩足球。
根据句意可知，句子是一般现在时，主语是第三人称单数形式，动词是行为动词，故否定句的助动词应用doesn’t，后加动词原形。
故填doesn’t play。
3．The English story ________（sound）very interesting. We all like it.【答案】sounds【解析】【分析】【详解】句意：这个英语故事听起来很有趣，我们所有人都喜欢它。
sound“听起来”，根据“We all like it”可知，用一般现在时，主语为“The English story”，故填sounds。
4．Not only the twins but also Tom always ________(mix)the sugar with coffee together【答案】mixes【解析】【详解】句意：不仅双胞胎而且Tom总是把糖和咖啡混在一起。
当not only…but also…连接两个主语时，谓语动词采取就近一致原则，即谓语动词要和与其最近的主语保持人称和数的一致，由“always”可知，时态是一般现在时，Tom是第三人称单数，所以用动词mix“混合”的第三人称单数mixes，故填mixes。
5．My twin brother often ___________ (dress) up as a cool boy.【答案】dresses【解析】【详解】句意：我的双胞胎弟弟经常打扮成一个很酷的男孩。
主语my twin brother是第三人称单数，故谓语用第三人称单数形式，故填dresses。
6．My cousin _______ (love) dogs.【答案】loves【解析】【详解】句意：我表弟热爱狗。
根据主语My cousin单三，谓语动词用单数形式；故填loves7．—Who _______________ (cook) the meals in your home? —My father does. He is a very good cook.【答案】cooks【解析】【详解】句意：——在你家谁做饭？——我父亲做。
他是个很好的厨师。
特殊疑问代词做主语时，谓语动词使用单数形式；结合句意和所给词可知答案是cooks。
8．How many lessons ________ Peter ________ （have）on Monday?【答案】 does have【解析】【详解】句意：彼得在星期一有多少节课？have有，是动词，此处是特殊疑问句：疑问词+助动词+主语+谓语+其他？谓语have是实义动词，因此用助动词do，主语Peter是第三人称单数，因此助动词用does，谓语用动词原形have，故填does；have。
9．My brother sometimes ________ (go) to the park with my uncle.【答案】goes【解析】【详解】句意：我哥哥有时和我叔叔去公园。
根据sometimes“有时”可知表示经常性行为用一般现在时，主语为第三人称单数，谓语动词用三单形式，故填goes。
10．I ________ (like) drawing pictures very much. Look! I ________ (draw) a big tree.【答案】 like am drawing【解析】【详解】句意：我非常喜欢画画。
看！我正在画一棵大树。
根据语境，第一句描述的是喜好，为一般现在时态，且主语为第一人称I，故谓语用动词原形like。
根据“Look!”可知，第二句为现在进行时，动词结构为“am/is/are+动词现在分词形式”，主语为I，则be动词用am，且draw的现在分词形式为drawing。
故填like；am drawing。
11．The bag ________ (be) on the desk. It’s in the desk.【答案】isn’t【解析】【详解】句意：书包不在课桌上面，在课桌里面。
根据后半句“It’s in the desk.”它在课桌里面，可知是书包不在课桌上面，句子时态是一般现在时，主语The bag是第三人称单数，因此be动词用is，其否定式直接在其后加not，且可以缩写为isn’t，故填isn’t。
12．The old man _________ (own) five shops.【答案】owns【解析】【详解】句意：这位老人有五家商店。
句子陈述事实，应用一般现在时，主语是单数名词，动词用三单形式，故填owns。
13．If it ________ (rain), I will not go out tomorrow.【答案】rains【解析】【详解】句意：如果下雨，我明天就不出去了。
分析句子可知，本句为if引导的条件状语从句，遵循“主将从现”的原则，即主句使用一般将来时，从句使用一般现在时；从句主语it是第三人称单数，谓语动词rain，应使用其第三人称单数rains。
故填rains。
14．Alan ________ (study) English every day.【答案】studies【解析】【详解】句意：艾伦每天都学英语。
根据“every day”可知，句子时态为一般现在时，因为“Alan”主语为第三人称单数，故填studies。
15．My cousin ________ kites on Sunday. (fly)【答案】flies【解析】【详解】句意：我的表弟在周日放风筝。
根据时间on Sunday可知用一般现在时，主语是第三人称单数，所以谓语动词用第三人称单数形式，fly的第三人称单数形式为flies，故填flies。
16．My best friend and I _______（be not）in the same school, we meet at weekends.【答案】are not##aren't【解析】【详解】句意：我最好的朋友和我不在同一所学校，我们在周末见面。
根据题干，可知时态是一般现在时，主语My best friend and I是复数形式，be动词用are ，否定形式在be动词后加not，故填are not/aren't。
17．—What does she __________? —She __________ a pair of blue trousers. (need)【答案】 need needs【解析】【详解】句意：——她需要什么？——她需要一条蓝色的裤子。
第一空因为是特殊疑问句，前面有助动词does，故谓语用动词原形need。
第二空根据主语she是第三人称单数，故谓语用第三人称单数形式，故为needs。
故填need；needs。
18．We read English at 8:00 a.m. Then our first lesson________(begin) at 8:25 a.m.【答案】begins【解析】【详解】句意：我们早上8点读英语，然后第一课在上午8点25分开始。
句子We read English at 8:00 a.m.是一般现在时，所以句子Then our first lesson________(begin) at 8:25 a.m.也用一般现在时。
主语first lesson是单数，因此谓语用三单形式。
故答案为begins。
19．This pair of shoes ________ (look) very nice.【答案】looks【解析】【详解】句意：这双鞋子看起来很漂亮。
根据“This pair of shoes”可知谓语与pair的数保持一致，用第三人称单数形式looks。
故填looks。
20．Everyone ________ (require) to show their tickets before entering the hall.【答案】is required【解析】【详解】句意：进入大厅前，每个人都必须出示票。
主语Everyone是动作require的承受者，时态是一般现在时，所以用一般现在时的被动语态，主语是不定代词，be动词用is。
故填is required。
21．Jack always _______ (ask), “Where are my keys?”【答案】asks【解析】【详解】句意：杰克总是问：“我的钥匙在哪里？”根据always可知，句子要用一般现在时，主语是Jack，动词用三单形式，故填asks。
22．Tom usually ________ (watch) TV on Saturday.【答案】watches【解析】【详解】句意：Tom通常在周六看电视。
根据“usually”可知，此句要用一般现在时，主语Tom是第三人称，动词用三单形式，故填watches。
23．Both he and his wife __________ (enjoy) swimming.【答案】enjoy【解析】【详解】句意：他和他的妻子都喜欢游泳。
陈述一般事实，用一般现在时，Both ... and ...连接并列主语，谓语动词用原形enjoy。
故填enjoy。
24．Not only the twins but also Tom often __________ (mix) the sugar with the coffee together.【答案】mixes【解析】【详解】句意：不仅那对双胞胎，而且汤姆，经常把糖和咖啡混合在一起。
not only,but also“不仅，而且”连接并列主语，谓语用就近原则，此处离谓语最近的主语Tom是第三人称单数，故谓语用第三人称单数形式，故为mixes。
25．The exercise ________ (seem) easy, but in fact it’s very hard.【答案】seems【解析】【详解】句意：这个练习看上去容易，实际上是很难的。