(英语)副词练习题含答案及解析
（英语）副词练习题含答案及解析一、初中英语副词1．Ken was_________ late for school. The bell rang right after he entered the classroom.A. stillB. alwaysC. alreadyD. almost【答案】 D【解析】【分析】句意：Ken上学几乎迟到了。
他刚进教室铃就响了。
A：still还；B：always总是；C：already已经；D：almost几乎，差不多。
根据下文The bell rang right after he entered the classroom.可知几乎就迟到了。
故选D。
【点评】考查副词辨析。
理解选项意思，根据语境选择正确的副词。
2．—Have you seen the hot film Wandering Earth ________?—Yes, I have. ________ wonderful science fiction movie it is!A. yet; How aB. already; HowC. yet; What aD. already; What【答案】 C【解析】【分析】句意：——你曾经看过电影《流浪地球》吗？——是的，我已经看过了。
它是一个多么好的科幻小说电影啊！yet用在现在完成时的疑问句或者否定句，already 用在肯定句，句子是一般疑问句，所以用yet。
what引导的感叹句结构是What+a/an+形容词+可数名词单数+主语+谓语！how引导的感叹句结构是How+形容词或者副词+主语+谓语！，这里强调名词movie，所以用what a，故选C。
【点评】考查副词辨析及感叹句，注意平时识记，理解句意。
3．Daming runs ______ of the three.A. fastB. fasterC. the fastest【答案】 C【解析】【分析】句意：大明在三个人中跑得最快。
A. fast快，原形，用于不比较时；B. faster更快，比较级，用于两者相比时；C. the fastest最快，最高级，用于三者及三者以上相比。
本句中of the three说明比较的范围是三个人，用最高级形式。
故选C。
4．We all like Luch as she is always thinking _____ of others than herself.A. lessB. much moreC. muchD. better【答案】 B【解析】【分析】句意：我们都喜欢露西因为她总是考虑其他人远胜过自己。
less, 更少；much more,更多；much，许多，可以修饰比较级；better，更好。
根据该句是两者比较，所以用比较级，结合句意，故选B。
【点评】考查副词的比较级，注意有than则使用比较级。
5．Jenny will get up than usual in order to catch the first bus.A. earlyB. very earlyC. earlierD. earliest【答案】 C【解析】【分析】句意：珍妮将比平时早起，以便赶上第一班公共汽车。
由than提示可知此句要用比较级，early的比较级是earlier，故选C。
【点评】考查副词的比较级，注意than是比较级的标准，牢记early的比较级是earlier。
6．— Is dinner ready?—Not ______.A. alreadyB. justC. yetD. ever【答案】C【解析】【分析】句意：——晚饭做好了吗？——还没有。
A. already表示“已经”，多用于肯定句；B. just表示“刚刚”；C. yet表示“还、仍”，多用于疑问句和否定句；D. ever表示“曾经”。
根据前面的Not可知此处表示否定，所以yet符合题意，故答案为C。
【点评】考查副词辨析。
掌握副词的意义和用法区别。
7．— will you go back to your hometown?— In a week.A. How longB. How farC. How soon【答案】C【解析】【分析】句意：—你过多久要回家乡？—一周后。
A. How long 多长，主要对一段时间进行提问， B. How far 多远，通常提问距离； C. How soon多久，指将来某个动作发生这段时间提问，常用于一般将来时态中,根据In a week. 一周后，可知是过多久；故答案选C。
【点评】考查疑问词短语辨析，根据答语选择合适意义的疑问词。
8．Neither my sister nor I ________ been to Xi'an before.A. have neverB. have everC. has neverD. has ever【答案】 B【解析】【分析】句意：以前我姐姐和我都没去过西安。
根据句子结构可知本句应用现在完成时（have /has done）；其次neither…nor表示两者都不，本身就是否定意义，则可排除never；当其连接主语时，谓语通常遵循“就近一致”原则，即谓语由离其最近的名词或者代词单复数决定，该句中离其最近的主语是I，则应填写have ever。
故选B。
【点评】此题考查主谓一致。
neither...nor...连接主语时，谓语动词要遵循就近原则。
9．—Who sings __________in your class?— Li Jing does.A. most beautifullyB. most beautifulC. more beautifullyD. more beautiful【答案】 A【解析】【分析】句意：——在你班级里谁唱歌唱得最动听？——李静唱的最好。
beautiful 形容词，动听的，修饰名词；beautifully动听地，副词，修饰实义动词，sings是实义动词，所以用副词beautifully，排除B、D。
A.最动听，最高级；C.更动听，比较级。
根据in your class，与班里所有人进行比较，因此用最高级，故选A。
【点评】考查最高级用法，注意平时识记，理解句意。
10．-- is the restaurant from the post office?-- It's about 5 minutes' ride.A. How longB. How oftenC. How farD. How many【答案】 C【解析】【分析】句意:一一邮局离饭店有多远?一一骑车大约五分钟。
A. How long多久：问时间的长度，多长：问事物的长度； B.How ofen多久一次，向频率副词提问；C. How far 多远，问距离，D. How many多少，问可数名词的数量。
回答:“骑车大约五分钟”指的是距离，用How far提问，故选C。
11．I don't know what her hobbies are because we talk about work when we meet．A. SometimesB. neverC. alwaysD. seldom【答案】 C【解析】【分析】句意：我不知道她的爱好是什么，因为我们见面时总是谈论工作。
A．sometimes 有时；B．never从不；C．always 总是；D．seldom 很少。
结合句意可知，不知道爱好是因为见面时谈论工作更多，频率较高用always，答案为C。
【点评】此题考查副词的辨析。
12．Could you speak in a loud voice so that I can hear you _______________?A. quicklyB. happilyC. slowlyD. clearly【答案】 D【解析】【分析】句意：你能大声说话吗以致于我能清楚地听到你所说的。
quickly快地；happily高兴地；slowly慢地；clearly清楚地，根据 Could you speak in a loud voice ，可知是让我清楚地听到你说的话，故选D。
【点评】此题考查副词用法。
弄清每个副词意思，根据上下文的联系确定所使用的副词。
13．—Could I speak to Paul? I phoned _____.—Sorry he is still in his meeting.A. lateB. earlierC. earliestD. later【答案】 B【解析】【分析】句意:——我能和保罗通话吗?我早些时候打电话来。
——对不起，他还在开会。
still仍然，根据对句 Sorry he is still in his meeting. 结合句意语境,可知打电话更早些，用副词比较级，故选B。
【点评】考查副词比较级辨析。
根据语境选出合适的选项，确保句子通顺。
14．—Can you catch what I said？—Sorry，I can ______ understand it because you speak very quickly．A. almostB. probablyC. mostlyD. hardly【答案】 D【解析】【分析】句意：﹣你能领会我说的话吗？﹣对不起，我几乎听不懂因为你说得太快了。
almost几乎；probably可能；mostly主要地；hardly几乎不；根据sorry及because you speak very quickly可知对方几乎没听懂，故选D。
【点评】副词辨析，结合上下文意思选择合适的副词。
15．There was a big fire yesterday. ______ no one was hurt.A. LuckilyB. LoudlyC. AngrilyD. Badly【答案】 A【解析】【分析】考查副词辨析。
根据句意一场大火无人受伤，当然是一件非常幸运之事，故选A。
B是大声地，C是生气地，D是糟糕地，均不合题意。
16．I lost my ticket, but _________ the travel agent gave me another one.A. actuallyB. firstlyC. luckilyD. Exactly【答案】 C【解析】【分析】句意：我把票弄丢了，但是幸运的是，旅行代办人又给了我一张。
本题考査副词的用法。
actually实际上；firstly首先；luckily幸运地；exactly准确地。
根据句意和关键词another，选择C项。
17．I didn’t do very well in this exam. Unluckily, he did it .A. worseB. badlyC. betterD. worst【答案】 A【解析】【分析】考查副词的比较级。
(英语)英语副词练习题20篇含解析
（英语）英语副词练习题20篇含解析一、初中英语副词1．— Jimmy, where are my glasses? I have looked everywhere.—Oh, Granny. They are _____ on your nose.A. evenB. wellC. rightD. ever【答案】 C【解析】【分析】句意：——吉米，我的眼镜呢？我到处找了。
——哦，奶奶，它们就在你的鼻子上。
even甚至；well好；right正是；恰恰；ever曾经。
根据句意可知选C。
【点评】考查副词辨析。
2．—I can hardly see the words on the screen.—Well, let's go and take the front seats so that we may see_____.A. clearB. clearerC. more clearly【答案】 C【解析】【分析】句意：——我几乎看不到屏幕上的字。
——哦，让我们去坐前排吧，这样可以看得更清楚些。
see是个动词，应该用副词修饰，选项AB是形容词形式，在这里句子应该使用比较级形式．故选C．【点评】考查副词的比较级。
3． Alex did the project on community service ______ better than his classmates.A. soB. veryC. tooD. much【答案】 D【解析】【分析】句意:亚历克斯做的关干社区服务的计划比他的同班同学做的好的多。
so 如此，very 非常，too 太，用来修饰形容词或副词的原级;a lot,a little,much,far等用来修饰比较级，说明比较的程度。
结合句意，故选D。
4．—Can you tell me ______?—Sure. You can take the K2 bus.A. where the high-speed rail station isB. where is the high-speed rail stationC. how I can get to the high-speed rail stationD. how can I get to the high-speed rail station【答案】 C【解析】【分析】句意：——你能告诉我怎样到达高铁站？——当然可以。
高中英语副词原级用法练习30题含答案解析
高中英语副词原级用法练习30题含答案解析1.She studies_____.A.oftenB.sometimesC.alwaysD.never答案解析：C。
always 表示总是，频率最高。
often 表示经常；sometimes 表示有时；never 表示从不。
题干说她学习，always 更能体现出她学习的频率高。
2.My brother plays basketball_____.A.hardly everB.seldomC.oftenD.rarely答案解析：C。
often 表示经常。
hardly ever 表示几乎不；seldom 表示很少；rarely 表示罕有。
题干是说哥哥打篮球，often 更符合正常的活动频率。
3.We have English class_____.A.every dayB.sometimesC.oftenD.never答案解析：A。
every day 表示每天，频率比较固定。
sometimes 表示有时；often 表示经常；never 表示从不。
题干说我们有英语课，every day 更能体现课程的规律性。
4.My mother cooks dinner_____.uallyB.seldomC.alwaysD.occasionally答案解析：A。
usually 表示通常。
seldom 表示很少；always 表示总是；occasionally 表示偶尔。
妈妈做饭通常是有一定频率的，usually 比较符合常理。
5.I read books_____.A.oftenB.sometimesC.alwaysD.never答案解析：A。
often 表示经常。
sometimes 表示有时；always 表示总是；never 表示从不。
读书是比较常见的活动，often 更能体现频率。
6.My father goes to work_____.A.every dayB.sometimesD.never答案解析：A。
七年级英语副词用法练习题20题(答案解析)
七年级英语副词用法练习题20题(答案解析)1.She can play the piano very well. She plays _____ than her sister.A.goodB.betterC.bestD.well答案解析：B。
“good”是形容词，不能修饰动词“play”；“well”是副词原形；“better”是比较级，此句中有“than”，表示比较，要用比较级；“best”是最高级，不符合语境。
2.He runs _____ in his class.A.fastB.fasterC.fastestD.most fast答案解析：C。
此句表示“他在他的班级里跑得最快”，用最高级“fastest”；“fast”是原形；“faster”是比较级；“most fast”表述错误。
3.Tom studies _____ than his brother.A.hardB.harderC.hardestD.more hard答案解析：B。
“hard”可以作副词，“harder”是比较级，此句中有“than”，要用比较级；“hardest”是最高级；“more hard”表述错误。
4.She sings _____ beautifully.A.veryB.quiteC.soD.too答案解析：A。
“very”“quite”“so”“too”都可以修饰“beautifully”，但在这个句子中“very”表示程度很合适；“quite”常表示“相当”；“so”一般与“that”连用；“too”表示“太……”，常带有否定含义。
5.The teacher speaks _____ slowly so that we can understand him.A.veryB.quiteC.ratherD.too答案解析：A。
“very”“quite”“rather”“too”都可以修饰“slowly”，“very”在这个句子中最常用；“quite”表示“相当”；“rather”语气稍强；“too”表示“太……”，常带有否定含义。
七年级英语副词用法练习题30题含答案解析
七年级英语副词用法练习题30题含答案解析1. I ______ play basketball after school.A.alwaysB.sometimesC.neverD.often答案解析：A。
“always”表示总是，强调频率高；“sometimes”表示有时；“never”表示从不；“often”表示经常。
在这个句子中，描述的是放学后的活动，“always”最能体现一种高频率的活动习惯。
B 选项“sometimes”频率较低；C 选项“never”与题意不符；D 选项“often”频率不如“always”高。
2. She ______ reads books in the library.uallyB.seldomC.alwaysD.never答案解析：C。
“usually”表示通常；“seldom”表示很少；“always”表示总是；“never”表示从不。
她在图书馆读书，“always”能体现出一种经常且持续的状态。
A 选项“usually”频率稍低；B 选项“seldom”不符合在图书馆读书的场景；D 选项“never”与题目描述矛盾。
3. We ______ go to the park on weekends.A.sometimesB.oftenC.alwaysD.never答案解析：B。
“sometimes”表示有时；“often”表示经常；“always”表示总是；“never”表示从不。
周末去公园，“often”比较符合实际情况，既不是一直去（always），也不是从不（never）或偶尔去（sometimes）。
4. He ______ watches TV in the evening.A.seldomB.alwaysC.sometimesD.often答案解析：B。
“seldom”表示很少；“always”表示总是；“sometimes”表示有时；“often”表示经常。
英语副词练习题20篇及解析
英语副词练习题20篇及解析一、初中英语副词1．The local guide spoke ______she could to make the visitors understand her.A. as clear asB. as clearly asC. so clear asD. so clearly as【答案】B【解析】【分析】句意：为了让游客们能理解她，当地导游尽可能清楚地说话。
as+形容词或副词+as，用于同级比较，表示“和一样”。
speak说话，动词需用副词修饰，可排除A、C 选项。
否定结构用so+形容词或副词+as，此处是肯定句，排除D。
故选B。
【点评】考查副词短语辨析。
牢记副词修饰动词，以及as+形容词/副词原级+as结构。
2．—The fish tastes _______, we have eaten it up.—It is certain that she cooked it _________.A. good , wellB. well, goodC. well, wellD. good, good【答案】 A【解析】【分析】句意:一鱼尝起来不错。
我们把它吃光了。
一肯定她煮得好。
taste尝起来，是连系动词，连系动词后用形容词作表语，cook是行为动词，修饰行为动词要用副词形式。
good只是形容词，well作为形容词仅指“身体好”，同时well还是副词。
故选A。
3．—Have you seen the hot film Wandering Earth ________?—Yes, I have. ________ wonderful science fiction movie it is!A. yet; How aB. already; HowC. yet; What aD. already; What 【答案】 C【解析】【分析】句意：——你曾经看过电影《流浪地球》吗？——是的，我已经看过了。
副词练习含答案
副词练习（含答案）一、单项选择副词1.Although she did not know Boston well, she made her way to the Home CircleBuilding.A. easy enoughB. enough easyC. easily enoughD. enough easily【答案】C【解析】试题解析：考查enough用法。
enough修饰形容词，副词需要后置，副词easily修饰动词made.此题需要注意的是,此处的to为介词，结构为make one's way to someplace表示去某地，而不是make+宾语+形容词+不定式的结构。
句意：尽管她不是很了解波士顿，可她却能轻易找到去家居建筑圈的路。
故选C。
考点：考查enough用法。
2.His parents, __ , didn't look after him very well—the elbows of his jacket and his boots were badly worn out.A. generallyB. apparentlyC. graduallyD. precisely【答案】B【解析】考查副词的用法。
句意：他的父母很显然照顾的他不好一他的夹克两肘和靴子都十分的破旧。
generally 一般地，apparently 明显的，gradually 逐渐地，precisely正确地，根据句意所以选B。
3.I'm not making near as much money as I did when I was employed full time, but nowwe don't need as much either.A. anythingB. everythingC. anywhereD. everywhere【答案】c【解析】试题分析：not...anywhere near指离得很远。
副词原级(50题 含答案解析)初中英语专题练习
副词原级（50题含答案解析）初中英语专题练习一、单项选择1．Liu Ying is good at singing. She sings _________ the famous singer.A．as well as B．as good as C．as better as2．The students ran to the swimming pool as _______ as they can.A．quickly B．quick C．more quickly D．quicker 3．Lucy does her homework ________ Lily. They are both good students.A．so carefully as B．so careful as C．as carefully as D．as careful as 4．—Does your brother play the piano as ______ as you, Bob?—Yes, and we both began to learn it at the age of 5.A．good B．well C．best5．Mike does his homework as ________ as his brother. He is the top student in my class.A．the most carefully B．most carefully C．more carefullyD．carefully6．—Lucy, I’m poor in English. Could you give me some advice?—You can speak English as __________ as possible.A．much B．many C．more D．most 7．Please write as _________ as possible.A．careful B．more careful C．carefully D．more carefully 8．Betty is only ten years old, but she can play table tennis _______ her P.E. teacher.A．so good as B．as good as C．as well as D．as better as 9．Though Jack is young, he can play the violin ________ his elder brother.A．not as well as B．as good as C．as well as10．The little girl is drawing a picture as ______ as her brother.A．careful B．more careful C．carefully D．more carefully 11．—Does Cathy run as ________ as Tina?—Yes, she does.A．faster B．faster C．fast D．the fastest 12．The local guide spoke ________ he could to make the visitors understand him.A．as clearly as B．as quietly as C．so clearly as13．Now he can speak English ________ his English teacher.A．as good as B．as better as C．as many as D．as well as 14．—Michael has the English class ________ Darren.—Right. They are both good students in my class.A．as carefully as B．more carefully than C．the most carefully 15．Taking a plane from Panzhihua to Chengdu costs ________ taking a high-speed train.A．three times more B．three times as much asC．as much as three times D．as much three times as16．The volunteer spoke as ________ as she could to make us understand her.A．clearly B．more clearly C．most clearly D．the most clearly 17．Researchers say the new material will not break as _______ as the old one.A．easy B．easier C．easily D．more easily18．I can’t play games with my friends ________ before, because I have too much homework to do.A．as many as B．as good as C．as often as D．as free as 19．I’m running as ________ as I can. However, I’m still behind the others.A．fast B．faster C．the fastest20．—I think that Harry writes as ________ as Betty.—So he does.A．more careful B．more carefully C．careful D．carefully 21．The exam is important. You should write as ________ as possible.A．more carefully B．more careful C．carefully D．careful22．I will work ________ I can to make my dream come true.A．so hardly as B．as hard as C．as hardly as D．so hard as 23．You’d better practice speaking as ________ as possible after class.A．more B．much C．many D．most 24．—Peter failed his math test! I can’t believe it!—That’s true. He didn’t check his test paper _________ before.A．as careful as B．so careful as C．as carefully as D．so careless as 25．I think you can play volleyball ________ your sister, if not better than her.A．as well as B．as badly as C．as good as D．as bad as 26．Don’t believe the advertisement! My car doesn’t work ________ the advertisement shows.A．as good as B．so better as C．as well as D．so best as 27．He doesn’t write as _______ as you do.A．careful B．carefully C．more carefully 28．Nobody in Linda’s class can sing as ________ as her.A．well B．good C．better29．You speak English as ________ as Tom does.A．well B．good C．better30．—David won the men’s high jump again.—No surprise. Who else can jump ________ he does?A．as highly as B．as high as C．as more highly as D．as higher as二、用单词适当形式填空 20题1．The local guide spoke as (clear) as he could to make herself understood.2．My mother works as (hard) as my father.3．Lucy does her homework as as her sister does. (careful)4．I think Sally did as (good) as Lucy in the math competition.5．Our teachers often describe things as (clear) as they can.6．Can you imagine an AI actress can act as as real ones in TV series? (nature) 7．He ran as (fast) as he could to catch up with others.8．After communicating with the teacher, John works as (hard) as before.9．When an earthquake happens, and you are outdoors, you should keep calm and go to an open area as (quick) as possible.10．—Does Jim run as as David?—Yes, but Mike runs than them. (slow)11．We should speak as (polite) as possible when we ask strangers for help. 12．Millie has a talent for music. Nobody else in our class sings as as her.(beautiful) 13．He doesn’t do his homework as (careful) as his sister.14．I think Sally did as (good) as Lucy in the competition.15．Q: Tina work Tara?A: No, she doesn’t. She works than Tara. (hard)16．Mark speaks English as （clear）as his classmate Tim.17．You must do the work as as you can. (careful)18．You didn’t write as （care）as Kate did. That’s why she got better grades. 19．You must drive as as possible especially on rainy days. (safe)20．Susan doesn’t speak English as (well) as Anna, but her handwriting is excellent.参考答案：一、单项选择1．A【详解】句意：刘英擅长唱歌。
【英语】英语副词练习题含答案及解析
2、当little表示“小”的意思用来修饰可数名词时，近似于small，这时只能用such。如：
——There were such little children that they couldn't clean the house. (这些孩子那么小，不能打扫房间。)
【答案】C
【解析】
【详解】
考查固定用法。句意：你在哪里花这么少的钱买这么小的礼物?so修饰形容词副词，such修饰名词。故第一空应为so little“如此少的”，第二空应为such修饰gifts。故选C。
【点睛】
so与such用法辨析。
一、so是副词，主要用来修饰形容词和副词；such是形容词，用来修饰名词。他们后面接单数可数名词的用法如下：
【答案】B
【解析】
【详解】
考查副词词义辨析。句意为：计算机控制的机器人接管了许多行业中的工作，而这些工作过去都是手工完成的。artificially人造地，人为地，不自然地；manually手工地；comprehensively全面地；gradually渐渐地。根据句意，选B。
【答案】B
【解析】句意：世界上仅剩下少量的大熊猫，所以中国正不惜一切克隆大熊猫以挽救这种濒临灭绝的物种。desperately意为“拼命地，不顾一切地”，符合语境。steadily稳定地；patiently耐心地；deliberately故意地。
14．Each working day，TheDailyis updated on the website every hour，unlessindicated.
五年级英语副词练习题40题含答案解析
五年级英语副词练习题40题含答案解析1.She_____goes to school by bike.A.alwaysB.sometimesC.neverD.often答案解析：A。
本题主要考查频率副词的用法。
“always”表示总是，符合日常上学可能经常采用的交通方式。
“sometimes”表示有时，“never”表示从不，“often”表示经常，都不如“always”更符合通常情况下的上学方式。
2.He_____does his homework after school.uallyB.seldomC.alwaysD.never答案解析：C。
“usually”表示通常，“seldom”表示很少，“never”表示从不，“always”表示总是。
放学后通常会做家庭作业，“always”更符合常理。
3.My sister_____watches TV in the evening.A.sometimesB.neverC.always答案解析：D。
“sometimes”表示有时，“never”表示从不，“always”表示总是，“often”表示经常。
晚上看电视比较频繁但不是每天都看，“often”更合适。
4.They_____play football on weekends.A.seldomB.alwaysC.neverD.sometimes答案解析：B。
“seldom”表示很少，“always”表示总是，“never”表示从不，“sometimes”表示有时。
周末通常会有较多的时间进行体育活动，“always”更符合。
5.I_____read books before going to bed.A.oftenB.seldomC.neverD.always答案解析：D。
“often”表示经常，“seldom”表示很少，“never”表示从不，“always”表示总是。
睡前读书是一个好习惯，用“always”更能体现经常做这件事。
中考英语形容词副词辨析练习题30题含答案解析
中考英语形容词副词辨析练习题30题含答案解析1.My mother is______than my father.A.more beautifulB.most beautifulC.beautifulD.beautifully答案解析：A。
选项A“more beautiful”是比较级，意思是“更漂亮”；选项B“most beautiful”是最高级，意思是“最漂亮”；选项C“beautiful”是原级，意思是“漂亮的”；选项D“beautifully”是副词，意思是“漂亮地”。
题干中有“than”，表示比较，所以要用比较级，故选A。
2.Our school is______of all.A.beautifulB.more beautifulC.most beautifulD.the most beautiful答案解析：D。
选项A“beautiful”是原级，意思是“漂亮的”；选项B“more beautiful”是比较级，意思是“更漂亮”；选项C“most beautiful”是最高级，但前面缺少定冠词the；选项D“the most beautiful”是最高级，意思是“最漂亮的”。
题干中有“of all”，表示在所有的当中，要用最高级，且最高级前面要有定冠词the，故选D。
3.Tom runs______in his class.A.fastC.fastestD.the faster答案解析：C。
选项A“fast”是原级，意思是“快地”；选项B“faster”是比较级，意思是“更快地”；选项C“fastest”是最高级，意思是“最快地”；选项D“the faster”表达错误。
题干中有“in his class”，表示在他的班级里，要用最高级，且最高级前面不用定冠词the 时，一般用于修饰动词，这里是修饰动词runs，所以要用最高级fastest，故选C。
4.This book is______than that one.A.interestingB.more interestingC.most interestingD.the most interesting答案解析：B。