期中复习之用单词的正确形式填空100题
(Unit 1-Unit 4)
Unit 1 重点单词
1．She had to steal food just to keep herself . (live)
2．Cindy is busy gifts with her friends now. (change)
3．We all like to pure and fresh air. (breath)
4．When I grow up, I want to be a who works for the world. (science)
5．Some think that global warming has caused serious problems. (science)
6．After 40 years’ development in China, our country can all kinds of transports with the top class and quality. (product).
7．“What’s the symbol for oxygen ” She asked with a puzzled face. (chemistry)
8．It’s for parents to love their children. (nature)
9．Then, after two and a half years, the mother (drive) the young panda away.
10．The girl (dance) in the room at the moment.
11．These products are not popular, because many people think they are unnatural and use some . (chemist)
12．My parents often remind me (protection) my eyes.
13．With the help of his parents, the boy is his horse to a big tree. (tie)
14．As soon as the TV program came out more than 30 years ago, Western children became (interesting) in reading the story.
15．Are your parents always in your friends at school (interest)
16．Oh! My God! I can (hard) believe I won the first prize in the competition.
17．He chose the dancing show.（join）
18．Susan doesn’t speak English as (well) as Anna, but her handwriting is excellent.
19．Not only Amy but also her parents (discuss) where to go for the trip now.
20． (final), they found the right answer.
21．This passage (main) tells us how to use the computer.
22．Help to the cakes, everyone! (yourself)
23．He sipped his wine, enjoying the wonderful music. (slow)
24．The girl from the right in the picture is my best friend. (five)
25．I’m (true) sorry.
Unit 2重点单词
26．How (excite) the children were when they got the second prize!
27．After dinner, my grandpa would sit in his armchair, reading the newspaper. (comfortable)
28．She listened with a look on her face. (puzzle)
29．When people have to wait a long time, they will become . (patient)
30．Medical was urgently needed after his legs were broken in the powerful earthquake in Türkiye. (treat)
31．You are so tired. Have you considered for a while this afternoon (relax)
32．Tom and I had different (opinion) on the volunteer activity.
33． (day) practice is important for the coming football match.
34．All the subjects we learned in school are useful to know the whole world. (tool)
35．The price of petrol is (increase) all the time.
36．We felt when we heard Fight MH370 crashed in the Southern Indian Ocean. (puzzle)
37．The best way (relax) is through exercise.
38．Last month, my thirteenth birthday (fill) me with happiness.
39．The Great Wall is one of the most famous in Chinese culture. (symbol)
40．We cleaned our (chemical) lab yesterday afternoon.
41．What (freeze) weather we’ve got today!
42．The weapon had such a strong power that it thoroughly the region. (destruction)
43．The teacher showed us lots of pictures, which aroused students’ interest. (live)
44．“The design will soon be put into .” replied by the supplier. (produce)
45．You’ll be the lucky guest to get the free ticket! (nine)
46．The house had already got when I arrived. (burn)
47．I was walking along the street when a ‘Benz’ past me. (speed)
48．Don’t feel sorry for this broken vase. It’s . (valuable)
49．A bath uses about as much water as a shower. (two)
50．It is sometimes dangerous to talk to as you are always not prepared. (strange)
Unit 3 重点单词
51．She always teaches her students to live (positive).
52．Peter exchanged goodbye with his friends before getting on the train. (polite)
53．Many people are now having trouble paying their house loan (贷款). (month)
54．We all need his about the things that happened yesterday. (explain)
55．It is quite for an adult to climb trees. (fool)
56．Switch off the power! We should save . (electrical)
57．We were without for three hours, but it’s on again now. (electrical)
58．I have no idea why the author calls electricity a dangerous . (serve)
59．Air is , and it is important to the living things on the Earth. (visible)
60．As usual, each family gets bill for gas . (month)
61．Please be (care), or you will make mistakes.
62．Good friends often share (happy) with each other.
63．I’ve my maths book. I can’t find it anywhere. (lose)
64．It is to walk on thin ice in a lake. (danger)
65．Don’t forget to turn on that rice . (cook)
66．I need some new (battery) for my radio.
67．The front page of a newspaper （contain）the most important news of the day.
68．You ought to have asked me first, you know. (real)
69．He went to study in the USA in his . (twenty)
70．He many people’s lives from the fire. (save)
71．He put the valuable vase in the . (safe)
72．He is a boy, and he does everything . We don’t like him. (care)
73．The printer is to a computer. (connect)
74．Benny wants to Daisy. (foolish)
75．We are pleased with the in this shop. (serve)
Unit 4 重点单词
76．Sam needs himself in the party. (behavior)
77．The editors haven’t reached a about the name of the new book. (decide)
78．(Experience) is the best teacher.
79．I’d like to discuss very on the last question with my group members. (brief)
80．Dale loves the singer so much that he has bought nearly all of his (record).
81．Is there anything else you’d like to talk to our (read)
82．This unit has three short (passage).
83．You’d better (make) a decision earlier.
84．I’ve come to the that he’s not the right person for the job. (conclude)
85．Elsa is (talent) than her twin sister Anna. She is often praised by the teacher.
86．It’s helpful for us to have a with others when we have some questions. (discuss)
87．Mary that we should go to Australia for our holiday this summer. (suggestion)
88．I’m very to show you around the whole city. (delight)
89．It’s my time to visit the Oriental Pearl TV Tower. (one)
90．With the , our city has become a centre of economy and culture. (develop)
91．Mr Xia is for the company at the moment. (response)
92．We should pay for and the money refers to the rules we have to obey. (free)
93．What are the between the Chinese culture and the American culture (different)
94．October 1, 1949 was the (begin) of a new age.
95．The weather in Shanghai is usually very (please) in autumn.
96．All of the people Cook has hired and promoted up the food chain are team players, he adds. (agree)
97．The manipulative politician tried everything to cover up his initial crime, but still, there was no excuse for such behavior. (shame)
98．What I’m suggesting to you is that this was the best information and storing device that existed in the Mediterranean world. (gather)
99．Buying Twitter would give Google a real-time social information service and amounts of data. (consider)
100．The students talked about the coming tour to the nearby mountain village among . (them)期中复习之用单词的正确形式填空100题
(Unit 1-Unit 4)
Unit 1 重点单词
1．She had to steal food just to keep herself . (live)
【答案】alive
【详解】句意：她不得不偷食物才能活下去。根据“She had to steal food just to keep herself…”以及提示词可知，此处指偷东西的目的是为了活下去，keep sb. alive“生存，活下去”，是固定搭配。故填alive。
2．Cindy is busy gifts with her friends now. (change)
【答案】exchanging
【详解】句意：Cindy现在正忙着和她的朋友们一起交换礼物。根据“Cindy is busy...gifts with her friends now.”可知，是在交换礼物，exchange“交换”，be busy doing sth“忙于做某事”，故填exchanging。
3．We all like to pure and fresh air. (breath)
【答案】breathe
【详解】句意：我们都喜欢呼吸清新的空气。like to do sth“喜欢做某事”，此处用动词breathe“呼吸”，故填breathe。
4．When I grow up, I want to be a who works for the world. (science)
【答案】scientist
【详解】句意：当我长大后，我想成为一名为世界工作的科学家。根据“I want to be a…who works for the world.”的语境可知，此处指成为一名科学家，scientist“科学家”，根据空前的“a”可知，此处用单数形式。故填scientist。
5．Some think that global warming has caused serious problems. (science)
【答案】scientist
【详解】句意：一些科学家认为全球变暖已经造成了严重的问题。根据空格前有“Some”，表示“一些”，后面需要接一个名词的复数形式，表示“一些人”或“一些事物”。根据句意，这里指的是“一些科学家”，因为只有科学家才会研究全球变暖的问题。science意为“科学”，名词，scientist意为“科学家”，名词，此处需要用名词复数“scientists”。故填scientists。
6．After 40 years’ development in China, our country can all kinds of transports with the top class and quality. (product).
【答案】produce
【详解】句意：经过40年的发展，我国能够生产出各种具有一流水平和质量的交通工具。根据“our country can”可知，句子中的“can”是情态动词，后面需要接动词原形。根据句意，这里需要一个表示“生产”的动词，且“product”提示了需要填入其动词形式“produce”。故填produce。
7．“What’s the symbol for oxygen ” She asked with a puzzled face. (chemistry)
【答案】chemical
【详解】句意：“氧气的化学符号是什么？”她一脸困惑地问道。chemistry化学，名词。此处应用形容词chemical“化学的”，作定语修饰名词symbol。故填chemical。
8．It’s for parents to love their children. (nature)
【答案】natural
【详解】句意：父母爱自己的孩子是自然的。nature“自然”，分析句子结构可知，此处缺少形容词作表语，表示父母爱自己的孩子是自然的。故填natural。
9．Then, after two and a half years, the mother (drive) the young panda away.
【答案】drove
【详解】句意：然后，两年半后，熊猫妈妈把小熊猫赶走了。drive“驱赶，开车”，动词，根据语境及时间状语then可知，该句描述的是过去发生的事，时态为一般过去时，应用其过去式drove作谓语，表示“驱赶”小熊猫。故填drove。
10．The girl (dance) in the room at the moment.
【答案】is dancing
【详解】句意：这个女孩此刻正在房间里跳舞。根据句子中的“at the moment”可知，此处用现在进行时（be doing），表示正在进行的动作。主语是第三人称单数，be动词用is，dance变成现在分词，即“is dancing”。故填is dancing。
11．These products are not popular, because many people think they are unnatural and use some . (chemist)
【答案】chemicals
【详解】句意：这些产品不受欢迎，因为很多人认为它们不天然，并且使用了一些化学物质。根据“use some”可知，此处需要使用名词作宾语，意为“化学物质”，且要用复数。故填chemicals。
12．My parents often remind me (protection) my eyes.
【答案】to protect
【详解】句意：我的父母经常提醒我保护我的眼睛。remind sb. to do sth.“提醒某人做某事”，此处不定式作宾语补足语。protection的动词形式为protect。故填to protect。
13．With the help of his parents, the boy is his horse to a big tree. (tie)
【答案】tying
【详解】句意：在父母的帮助下，男孩正把他的马拴在一棵大树上。tie“系”，此处用现在分词tying与is构成现在进行时结构。故填tying。
14．As soon as the TV program came out more than 30 years ago, Western children became (interesting) in reading the story.
【答案】interested
【详解】句意：30多年前电视节目一播出，西方孩子就对阅读这个故事产生了兴趣。结合提示词和题干可知，本题应使用短语become interested in doing sth.“对做某事感兴趣”，此处应用形容词interested“感兴趣的”作表语。故填interested。
15．Are your parents always in your friends at school (interest)
【答案】interested
【详解】句意：你的父母总是对你学校里的朋友感兴趣吗？ be interested in意为“对……感兴趣”, 是固定短语，interested感兴趣的，形容词做表语。故填interested。
16．Oh! My God! I can (hard) believe I won the first prize in the competition.
【答案】hardly
【详解】句意：哦！我的天啊！我简直不敢相信我在比赛中获得了一等奖。根据“I can…believe I won the first prize in the competition.”可知，此处用副词修饰动词，指的是“几乎不能相信”，hardly意为“几乎不”，副词。故填hardly。
17．He chose the dancing show.（join）
【答案】to join
【详解】句意：他选择参加舞蹈表演。choose to do sth“选择做某事”，故填to join。
18．Susan doesn’t speak English as (well) as Anna, but her handwriting is excellent.
【答案】well
【详解】句意：Susan不像Anna说英语那么好，但是她的书法是优秀的。as...as“像……一样”中间加形容词或副词原级，而此处修饰动词speak“说”，应用副词，故填well。
19．Not only Amy but also her parents (discuss) where to go for the trip now.
【答案】are discussing
【详解】句意：现在不仅艾米，还有她的父母也在讨论去哪里旅行。根据“now”可知，该句为现在进行时，根据“Not only Amy but also her parents”可知，该句中谓语遵循就近原则，her parents是复数，故谓语填are discussing。故填are discussing。
20． (final), they found the right answer.
【答案】Finally
【详解】句意：最后，他们找到了正确答案。“final”是形容词，意为“最终的；最后的”。而在这个句子中，需要一个副词来修饰整个句子，“finally”是“final”的副词形式，意为“最后；终于”。故填Finally。
21．This passage (main) tells us how to use the computer.
【答案】mainly
【详解】句意：这篇文章主要告诉我们如何使用电脑。根据“This passage...tells us”可知，答题空内需要填一个副词修饰动词tells，main表示“主要的”，形容词，其副词为mainly。故填mainly。
22．Help to the cakes, everyone! (yourself)
【答案】yourselves
【详解】句意：大家随便吃点蛋糕！根据所给词提示可知，此处考查短语help oneself意为“请自便”，根据everyone可知，此处人数不止一人，所以反身代词yourself要用复数形式yourselves。故填yourselves。
23．He sipped his wine, enjoying the wonderful music. (slow)
【答案】slowly
【详解】句意：他慢慢地抿着酒，享受着美妙的音乐。根据“He...sipped his wine”可知，此处用来修饰动词sipped“小口抿”，应使用副词，slow的副词形式为slowly。故填slowly。
24．The girl from the right in the picture is my best friend. (five)
【答案】fifth
【详解】句意：图中右边第五个女孩是我最好的朋友。根据“The…girl from the right”可知，此处指第五个女孩，应用序数词表示顺序，five的序数词为fifth“第五”。故填fifth。
25．I’m (true) sorry.
【答案】truly
【详解】句意：我真的很抱歉。true“真的”，形容词，此处修饰形容词sorry，应用副词truly，故填truly。
Unit 2重点单词
26．How (excite) the children were when they got the second prize!
【答案】excited
【详解】句意：当孩子们获得二等奖时，他们是多么兴奋啊！分析句子可知，此句为how引导的感叹句，结构为：How+形容词+主语+谓语。excite“使兴奋”，动词，其对应的形容词为exciting/excited；exciting修饰物，excited修饰人，主语是the children，表示人，因此使用excited。故填excited。
27．After dinner, my grandpa would sit in his armchair, reading the newspaper. (comfortable)
【答案】comfortably
【详解】句意：晚饭后，我爷爷会舒服地坐在扶手椅上看报纸。空前的“sit”是动词，需用副词修饰，comfortable的副词形式是comfortably，意为“舒服地”，符合语境，故填comfortably。
28．She listened with a look on her face. (puzzle)
【答案】puzzled
【详解】句意：她一脸困惑地听着。puzzle“困惑”，动词，空处修饰名词look用形容词形式puzzled“困惑的”，作定语。故填puzzled。
29．When people have to wait a long time, they will become . (patient)
【答案】impatient
【详解】句意：当人们不得不等待很长时间时，他们会变得不耐烦。根据“When people have to wait a long time”可知，需要等待很长时间，所以会变得不耐烦，impatient “没有耐心的，不耐烦的” 符合语境。故填impatient。
30．Medical was urgently needed after his legs were broken in the powerful earthquake in Türkiye. (treat)
【答案】treatment
【详解】句意：在图尔基耶发生的强烈地震中，他的双腿骨折，急需治疗。此处填名词 treatment “治疗”，作主语。故填treatment 。
31．You are so tired. Have you considered for a while this afternoon (relax)
【答案】relaxing
【详解】句意：你太累了。你考虑过今天下午休息一会儿吗？consider doing sth“考虑做某事”，故填relaxing。
32．Tom and I had different (opinion) on the volunteer activity.
【答案】opinions
【详解】句意：汤姆和我对志愿者活动有不同的看法。根据“Tom and I had different...”可知，空处填名词复数。opinion的复数是opinions，故填opinions。
33． (day) practice is important for the coming football match.
【答案】Daily
【详解】句意：日常练习对即将到来的足球比赛来说是非常重要的。day“天”，修饰名词practice，用形容词，故填Daily。
34．All the subjects we learned in school are useful to know the whole world. (tool)
【答案】tools
【详解】句意：我们在学校学到的所有科目都是了解整个世界的有用工具。tool“工具”，可数名词，应用复数表示泛指，故填tools。
35．The price of petrol is (increase) all the time.
【答案】increasing
【详解】句意：汽油的价格一直在上涨。句子主语“The price”与动词increase“增长”是主动关系，不存在被动情况；根据空前“is”和空后“all the time”可知，此处是指“上涨”的动作正在进行，句子时态应用现在进行时，其结构为is doing，动词increase的现在分词为increasing。故填increasing。
36．We felt when we heard Fight MH370 crashed in the Southern Indian Ocean. (puzzle)
【答案】puzzled
【详解】句意：当我们听到MH370航班在南印度洋坠毁，我们感到困惑。此处是作表语，应用puzzled“困惑的”，修饰人。故填puzzled。
37．The best way (relax) is through exercise.
【答案】to relax
【详解】句意：最好的放松方式是锻炼。根据“The best way...is through exercise.”可知，此处指最好的放松方式，应使用动词不定式作后置定语。故填to relax。
38．Last month, my thirteenth birthday (fill) me with happiness.
【答案】filled
【详解】句意：上个月，我的十三岁生日充满了快乐。根据“Last month”可知，此句是一般过去时，动词用过去式，故填filled。
39．The Great Wall is one of the most famous in Chinese culture. (symbol)
【答案】symbols
【详解】句意：长城是中国文化中最著名的象征之一。根据“The Great Wall is one of the most famous...in Chinese culture.”可知，此空缺名词，又因为one of+形容词最高级+名词复数“最……之一”，为固定搭配，所以此空应填symbol“象征”的复数形式，故填symbols。
40．We cleaned our (chemical) lab yesterday afternoon.
【答案】chemistry
【详解】句意：昨天下午我们打扫了我们的化学实验室。由“lab”及结合所给提示词可知，此处表达的是“化学实验室”；chemical“化学的”，对应的名词是chemistry，意为“化学”；chemistry lab“化学实验室”，名词作定语，表明用途。故填chemistry。
41．What (freeze) weather we’ve got today!
【答案】freezing
【详解】句意：今天天气真冷！分析句子可知，此处应使用形容词作定语，修饰名词weather，freeze的形容词形式为freezing“极冷的”。故填freezing。
42．The weapon had such a strong power that it thoroughly the region. (destruction)
【答案】destroyed
【详解】句意：这种武器威力如此强大，以至于彻底摧毁了该地区。根据“The weapon had such a strong power”可知，这里是彻底摧毁了该地区，destruction意为“摧毁”，名词，这里用动词destroy作谓语；由had可知，这里用过去式。故填destroyed。
43．The teacher showed us lots of pictures, which aroused students’ interest. (live)
【答案】lively
【详解】句意： 老师给我们看了许多生动的图片，引起了学生们的兴趣。live“生活”，动词。此处是指一些生动的图片，应用lively。故填lively。
44．“The design will soon be put into .” replied by the supplier. (produce)
【答案】production
【详解】句意：供应商回答说：“设计很快就会投入生产。”。produce“生产”，动词，此处应用其名词形式production作宾语。be put into production“被投入生产”。故填production。
45．You’ll be the lucky guest to get the free ticket! (nine)
【答案】ninth
【详解】句意：你将是第九位获得免费门票的幸运客人！定冠词the后跟序数词ninth“第九”，表示顺序。故填ninth。
46．The house had already got when I arrived. (burn)
【答案】burned/burnt
【详解】句意：我到的时候房子已经被烧毁了。burn“燃烧”，动词。get done“把某事做了”，burn的过去分词为burned/burnt。故填burned/burnt。
47．I was walking along the street when a ‘Benz’ past me. (speed)
【答案】sped
【详解】句意： 我正在街上走着，突然一辆奔驰从我身边疾驰而过。speed“快速前行”，是动词。根据“I was walking along”可知，动词应用过去式，故填sped。
48．Don’t feel sorry for this broken vase. It’s . (valuable)
【答案】valueless
【详解】句意：别为这个破花瓶感到难过。它毫无价值。valuable“有价值的”，形容词。根据“Don’t feel sorry for this broken vase.”可知，这个花瓶毫无价值，所以不用难过。valueless“毫无价值的”，形容词，作表语。故填valueless。
49．A bath uses about as much water as a shower. (two)
【答案】twice
【详解】句意：泡澡用的水大约是淋浴的两倍。本题考查倍数表达法。此处是“倍数+as...as...”句式，所给词汇two“二”是基数词，此处用twice表示“两倍”。故填twice。
50．It is sometimes dangerous to talk to as you are always not prepared. (strange)
【答案】strangers
【详解】句意：与陌生人交谈有时是危险的，因为你总是没有准备好。talk to sb. “和某人交谈”，此处表示和陌生人交谈，stranger“陌生人”，可数名词，用复数形式表示一类人。故填strangers。
Unit 3 重点单词
51．She always teaches her students to live (positive).
【答案】positively
【详解】句意：她总是教导她的学生积极地生活。positive积极的，形容词。这里修饰动词，应用副词。故填positively。
52．Peter exchanged goodbye with his friends before getting on the train. (polite)
【答案】politely
【详解】句意：彼得在上火车前礼貌地和朋友们道别。此处在句中修饰动词，用副词形式，故填politely。
53．Many people are now having trouble paying their house loan (贷款). (month)
【答案】monthly
【详解】句意：许多人现在难以偿还每月的住房贷款。month“月”，名词，空处修饰名词house loan，用形容词monthly“每月的”，形容词作定语。故填monthly。
54．We all need his about the things that happened yesterday. (explain)
【答案】explanation
【详解】句意：我们都需要他对昨天发生的事情作出解释。分析句子结构可知，此处应用名词形式，作宾语，explanation“解释”符合。故填explanation。
55．It is quite for an adult to climb trees. (fool)
【答案】foolish
【详解】句意：成年人爬树是很愚蠢的。分析句子结构可知，此处应用形容词形式，作表语，foolish“愚蠢的”符合。故填foolish。
56．Switch off the power! We should save . (electrical)
【答案】electricity
【详解】句意：关掉电源！我们应该节约用电。动词save后接名词electricity“电”，故填electricity。
57．We were without for three hours, but it’s on again now. (electrical)
【答案】electricity
【详解】句意：我们三个小时没电了，但现在又通了。根据“We were without…for three hours, but it’s on again now.”及提示词可知，空处指的是停电，介词without后跟名词，形容词electrical“用电的”，其名词形式electricity“电”符合语境。故填electricity。
58．I have no idea why the author calls electricity a dangerous . (serve)
【答案】servant
【详解】句意：我不知道为什么作者把电称为危险的仆人。dangerous是形容词，这里应修饰名词servant“仆人”，结合a可知，名词用单数，故填servant。
59．Air is , and it is important to the living things on the Earth. (visible)
【答案】invisible
【详解】句意：空气是看不见的，它对地球上的生物很重要。根据常识可知，空气是看不见的，应用形容词invisible“看不见的”作表语。故填invisible。
60．As usual, each family gets bill for gas . (month)
【答案】monthly
【详解】句意：像往常一样，每个家庭每个月拿到煤气账单。分析句子结构可知此处修饰动词，因此应用“month”的副词形式“monthly”，表示“每月”。故填monthly。
61．Please be (care), or you will make mistakes.
【答案】careful
【详解】句意：请仔细，否则你会犯错的。根据“or you will make mistakes”可知，此处是提醒对方仔细一点，不然将会犯错；careful“仔细的”，形容词作表语。故填careful。
62．Good friends often share (happy) with each other.
【答案】happiness
【详解】句意：好朋友经常互相分享快乐。happy开心的，是形容词。空处作动词share的宾语，应用名词happiness“快乐”。故填happiness。
63．I’ve my maths book. I can’t find it anywhere. (lose)
【答案】lost
【详解】句意：我的数学书丢了。我到处都找不到。根据语境和“I’ve…”可知，此处是现在完成时，主语是I，所以结构为“have+动词的过去分词”，lose的过去分词是lost。故填lost。
64．It is to walk on thin ice in a lake. (danger)
【答案】dangerous
【详解】句意：在湖中的薄冰上行走是危险的。is是系动词，后面跟形容词作表语，danger是名词，形容词是dangerous。故填dangerous。
65．Don’t forget to turn on that rice . (cook)
【答案】cooker
【详解】句意：别忘了打开那个电饭煲。根据“rice”可知，此处表示“电饭煲”，空格处应填名词，cook“烹饪”，动词，其名词为cooker，意为“锅，炊具”，故填cooker。
66．I need some new (battery) for my radio.
【答案】batteries
【详解】句意：我的收音机需要一些新电池。battery是可数名词，some修饰可数名词时，名词要用复数形式，battery的复数是batteries。故填batteries。
67．The front page of a newspaper （contain）the most important news of the day.
【答案】contains
【详解】句意：报纸的头版刊登当天最重要的新闻。此句是一般现在时，主语The front page是单数形式，动词用三单，故填contains。
68．You ought to have asked me first, you know. (real)
【答案】really
【详解】句意：你真的应该先问我，你知道的。空处修饰动词，应用副词形式，故填really。
69．He went to study in the USA in his . (twenty)
【答案】twenties
【详解】句意：他20多岁时去美国留学。in one’s +表示整十的数词的复数形式，表示“在某人几十岁时”，twenty的复数形式为twenties。故填twenties。
70．He many people’s lives from the fire. (save)
【答案】saved
【详解】句意：他从火中拯救了很多人的生命。根据固定搭配“save one’s life拯救某人的生命”可知，为动词短语。分析语境可知，为一般过去时。save过去式为saved。故填saved。
71．He put the valuable vase in the . (safe)
【答案】safety
【详解】句意：他把有价值的花瓶放在安全的地方。此处应用名词safety表示“安全”，in the safety指“在安全的地方”。故填safety。
72．He is a boy, and he does everything . We don’t like him. (care)
【答案】 careless carelessly
【详解】句意：他是个粗心的孩子，做什么事都粗心。我们不喜欢他。第一空应填形容词作定语，结合“We don’t like him.”可知应填贬义词，careless“粗心的”符合语境；第二空是修饰动词，应用其副词形式carelessly。故填careless；carelessly。
73．The printer is to a computer. (connect)
【答案】connected
【详解】句意：这个打印机被连接到一个电脑上。根据固定搭配“connect...to...把……与……相连接”，根据主语“The printer”可知，是用被动语态，结构是be done，填动词过去分词。故填connected。
74．Benny wants to Daisy. (foolish)
【答案】fool
【详解】句意：本尼想愚弄黛西。foolish“愚蠢的”为形容词，根据“wants to...”可知，空处应用动词原形。foolish的动词形式为fool“愚弄”。故填fool。
75．We are pleased with the in this shop. (serve)
【答案】service
【详解】句意：我们对这家商店的服务感到满意。serve“服务”，动词；service“服务”，不可数名词。the后加名词，故填service。
Unit 4 重点单词
76．Sam needs himself in the party. (behavior)
【答案】to behave
【详解】句意：山姆需要在聚会中举止得体。此处考查动词短语need to do sth.“需要做某事”，to do不定式作宾语，名词behavior“行为”应变为动词behave“表现”。故填to behave。
77．The editors haven’t reached a about the name of the new book. (decide)
【答案】decision
【详解】句意：编辑们还没有对新书的名称达成一致。a修饰名词单数，因此需填入其名词形式“decision”。故填decision。
78．(Experience) is the best teacher.
【答案】Experience
【详解】句意：经验是最好的老师。句子的主语部分缺少一个名词，根据句意和常识，经验是最好的老师，因此填入“Experience”，表示“经验”这一概念。故填Experience。
79．I’d like to discuss very on the last question with my group members. (brief)
【答案】briefly
【详解】句意：我想与小组成员简要讨论最后一个问题。分析句子结构可知，此处应用副词形式，作状语，修饰动词“discuss”，briefly“简要地”符合。故填briefly。
80．Dale loves the singer so much that he has bought nearly all of his (record).
【答案】records
【详解】句意：戴尔非常喜欢这位歌手，以至于他几乎买了他所有的唱片。record是可数名词，表示“唱片”，根据“nearly all of”可知，应用复数形式，故填records。
81．Is there anything else you’d like to talk to our (read)
【答案】readers
【详解】句意：你还有什么别的事情想和我们的读者谈吗？our是形容词性物主代词，后面修饰名词。talk to sb意思是“和某人聊天”，故此空要填写与人相关的一个词。reader“读者”，读者一般不止一个人，所以变为名词复数，故填readers。
82．This unit has three short (passage).
【答案】passages
【详解】句意：本单元有三篇短文。passage“章节”，可数名词，three后接复数名词passages。故填passages。
83．You’d better (make) a decision earlier.
【答案】make
【详解】句意：你最好早点做决定。You’d better=You had better“你最好……”，had better后跟动词原形。故填make。
84．I’ve come to the that he’s not the right person for the job. (conclude)
【答案】conclusion
【详解】句意：我断定他不适合这项工作。conclude“得出结论”是动词，空处应用名词conclusion作宾语，表示“结论”，是可数名词，根据定冠词the及后面同位语从句可知，这里特指“这个结论”，所以用单数形式。故填conclusion。
85．Elsa is (talent) than her twin sister Anna. She is often praised by the teacher.
【答案】more talented
【详解】句意：埃尔莎比她的双胞胎妹妹安娜更有才干。她经常被老师表扬。talent“天赋”，是名词，作为系动词is的表语，用形容词，根据“than”可知，此处用形容词的比较级，故填more talented。
86．It’s helpful for us to have a with others when we have some questions. (discuss)
【答案】discussion
【详解】句意：当我们有疑问时，与他人进行讨论对我们是有帮助的。根据“have a...”可知此处应填一个名词，discuss“讨论”是动词，它的名词为discussion，have a discussion“讨论”。故填discussion。
87．Mary that we should go to Australia for our holiday this summer. (suggestion)
【答案】suggested
【详解】句意：玛丽建议我们今年夏天去澳大利亚度假。分析句子结构可知，这里用动词作谓语，suggestion的动词为suggest，意为“建议”，此处的时态为一般过去时。故填suggested。
88．I’m very to show you around the whole city. (delight)
【答案】delighted
【详解】句意：我很高兴带你参观整个城市。空格处作表语，应用形容词，delight“高兴，愉快，快乐”，名词，其形容词是delighted“高兴的，愉快的”，故填delighted。
89．It’s my time to visit the Oriental Pearl TV Tower. (one)
【答案】first
【详解】句意：这是我第一次参观东方明珠电视塔。此处在句中作定语修饰time，用序数词first表示“第一”，故填first。
90．With the , our city has become a centre of economy and culture. (develop)
【答案】development
【详解】句意：随着发展，我市已成为一个经济和文化中心。develop“发展”，动词；根据“With the ...”可知，此处要用名词development。故填development。
91．Mr Xia is for the company at the moment. (response)
【答案】responsible
【详解】句意：Mr Xia此时正负责这家公司。根据句意和语境可知，此处考查形容词短语be responsible for对……“负责”，所以应用response的形容词形式。故填responsible。
92．We should pay for and the money refers to the rules we have to obey. (free)
【答案】freedom
【详解】句意：我们应该为自由付出代价，而金钱指的是我们必须遵守的规则。for为介词，此处应用free的名词freedom作宾语。故填freedom。
93．What are the between the Chinese culture and the American culture (different)
【答案】differences
【详解】句意：中国文化和美国文化有什么不同？由空前的定冠词“the”可知，此处要用different的名词difference，意为“差异，不同之处”；再由空前的“are”可知，名词要用复数。故填differences。
94．October 1, 1949 was the (begin) of a new age.
【答案】beginning
【详解】句意：1949年10月1日是一个新时代的开始。根据“the …(begin) of”可知，此空应该填一个名词，begin的名词为beginning“开始”。故填beginning。
95．The weather in Shanghai is usually very (please) in autumn.
【答案】pleasant
【详解】句意：上海秋天的天气通常很宜人。please“（使）满意”，是动词；空处位于is之后，应填形容词作表语，此处是形容“The weather”，所以用pleasant“宜人的”修饰，故填pleasant。
96．All of the people Cook has hired and promoted up the food chain are team players, he adds. (agree)
【答案】agreeable
【详解】句意：库克雇佣并晋升到食物链上游的所有人都是讨人喜欢的团队成员，他补充道。agree“同意”，是动词。此处是作定语应用形容词agreeable“讨人喜欢的”，故填agreeable。
97．The manipulative politician tried everything to cover up his initial crime, but still, there was no excuse for such behavior. (shame)
【答案】shameful
【详解】句意：那个爱操纵人的政客想尽一切办法掩盖他最初的罪行，但仍然没有为这种可耻的行为找借口。空处作定语修饰名词behavior，所以用shame的形容词，结合“The manipulative politician tried everything to cover up his initial crime”可知，这种行为应是可耻的，shameful“可耻的”，故填shameful。
98．What I’m suggesting to you is that this was the best information and storing device that existed in the Mediterranean world. (gather)
【答案】gathering
【详解】句意：我想说的是，这是当时地中海地区最好的信息收集和存储设备。根据“and storing device”可知，此处需填动名词作定语修饰device，与storing并列，表示被修饰词device的用途。gather“收集”的动名词为gathering。故填gathering。
99．Buying Twitter would give Google a real-time social information service and amounts of data. (consider)
【答案】considerable
【详解】句意： 收购Twitter将使谷歌获得实时社交信息服务和大量数据。consider“考虑”，是动词。此处是修饰空后名词，应用形容词considerable“相当大的；相当多(或重要等)的”，故填considerable。
100．The students talked about the coming tour to the nearby mountain village among . (them)
【答案】themselves
【详解】句意：学生们在他们自己之间讨论即将到来的附近山村之旅。学生们是在他们自己之间讨论，所以用“them”的反身代词形式，指代主语本身。故填themselves。
