2025新人教版七年级英语下册第二单元语法知识练习题
【同步检测】
1.It’s snowing. Please ________ warm clothes.
A.wear B.wears C.wearing D.to wear
2.Bill, ________ talk in class. We must listen ________ the teacher.
A.doesn’t; with B.doesn’t; to C.don’t; with D.don’t; to
3.________ me a postcard when you get to Australia. Don’t forget it!
A.To send B.Sends
C.Sending D.Send
4.Jim, ________ read in the sun. It’s bad for your eyes.
A.can’t B.isn’t C.doesn’t D.don’t
5.Mary, ________ to the teacher, please.
A.listening B.listens C.to listen D.listen
6.—Tom, ________ late for school. —Sorry, I won’t.
A.isn’t B.be not C.don’t be D.isn’t be
7.—________ late for school again, Tim!
—Sorry, I ________ be late again.
A.Don’t; won’t B.Don’t be; won’t
C.Don’t be; don’t D.Don’t; will
8._________ open the door before the train stops.
A.Don’t B.Doesn’t C.Not D.No
9.______ up now. It’s time for breakfast.
A.Get B.To get C.Getting
10.Please tell me the truth, _________ I can’t decide how to help you with your next step.
A.or B.and C.but D.so
11.If you like travelling, I ________ recommend some places of interest.
A.can B.should C.need D.may
12.Alice ________ go out after school because she has _________ homework.
A.can; many B.can’t; much C.can’t; many
13.—________ we wear T-shirt to the meeting
—Of course not. It’s not suitable for the formal occasions(场合).
A.Must B.Can C.Will D.Should
14.—________ I borrow your dictionary, Jason
—Yes, of course. Here you are.
A.Can B.Must C.Need D.Should
15.This old computer ________ be Mr Green’s. His computer is new.
A.can’t B.needn’t C.mustn’t D.won’t
16.—Would you like another glass of water
—No, thanks. I ________ leave now. Tony is waiting for me.
A.can B.may C.must D.could
17.—Excuse me, may I smoke here
—Sorry! Look at the sign. You ________ smoke in the hospital room.
A.may not B.mustn’t C.needn’t D.don’t have to
18.—Look at the sign. “________ swimming!”
—So it ________ be dangerous to swim here.
A.Don’t; must B.Not; may C.Not be; can D.No; must
19.— Must we sing a song at the party
— No, you ________.
A.mustn’t B.haven’t to C.not have to D.don’t have to
20.—Mom, can I go swimming
—No. You ________ do your homework.
A.has to B.have to C.can D.could
21.I think I ________ do homework now. Because finishing homework on time is a rule in my class.
A.must B.have to C.has to D.mustn’t
22.I must finish my homework before I play with my sister every day.
A.should B.can C.have to D.want to
23.—Susan, would you like to go hiking with us this afternoon
—I’d love to, but I _______ study for a test.
A.may B.have to C.can D.might
24.—How do you usually go to school
—My school is far away. I ________ take the bus to school.
A.must B.don’t have to C.have to D.has to
25.—Does he ________ eat in the dining hall
—Yes. This is a school rule.
A.must B.has to C.have to D.need
【真题链接】
1.(23-24七年级下·四川广元·期末)______ quiet, please. You are in the library.
A.Keep B.To keep C.Keeping D.Keeps
2.(23-24七年级下·广东深圳·期末)Tom, ________ afraid of speaking in front of people. You are a shining star.
A.don’t B.not be C.don’t be D.not to be
3.(23-24七年级下·吉林长春·期末)Mike, ________ play in the street. It’s too dangerous.
A.don’t B.not C.can’t D.no
4.(23-24七年级下·云南昆明·期末)Don’t ________ wild mushrooms (野生菌) that you don’t know.
A.to eat B.eats C.eat D.eating
5.(23-24七年级下·天津河北·期末)It’s going to rain. Please the windows before you leave.
A.close B.closing C.to close D.closes
6.(23-24七年级下·重庆江北·期末)_______ use the computer too much. It’s bad for your eyes.
A.Not B.Don’t C.No D.Can’t
7.(23-24七年级下·山东青岛·期末)— ________ late for class again, Tom.
—Sorry, I won’t.
A.No be B.Not be C.Isn’t D.Don’t be
8.(23-24七年级下·安徽合肥·期末)—________ your homework here tomorrow, Lucy.
—All right, Ms Li.
A.Bring B.Brings C.To bring D.Bringing
9.(23-24七年级下·湖北武汉·期末)________ the river, and then you can see my village.
A.Cross B.To cross C.Crossing D.Across
10.(24-25七年级上·江苏扬州·期中)Go to bed early, ________ you’ll have enough energy for the next day.
A.or B.and C.but D.because
11.(24-25七年级上·吉林长春·期末)The little boy ________ swim. He wants someone to help him.
A.can’t B.isn’t C.don’t D.needn’t
12.(24-25七年级上·吉林长春·期末)My brother learns Chinese from his Chinese friend, so he ________ speak it well.
A.need B.can C.needn’t D.can’t
13.(23-24七年级下·江苏泰州·期末)—Some people don’t show their talents (天赋) at the very beginning.
—Exactly. Even Einstein ________ read until he was seven.
A.mustn’t B.can’t C.couldn’t D.needn’t
14.(23-24七年级下·广东深圳·期末)—Look at the young lady in red. Is it Mrs. Wang
—No, It ________ be her. She is wearing a white dress today.
A.can B.may C.must D.can’t
15.(23-24七年级下·江苏南通·期末)—What does the picture on the right tell the visitors not to do
—When we are in the zoo, we ________ feed the animals.
A.can’t B.may not
C.couldn’t D.needn’t
16.(24-25七年级上·上海闵行·期中)—Must I finish the school project today
—No, you ________. You may do it tomorrow since you are a little tired today.
A.must B.need C.mustn’t D.needn’t
17.(23-24七年级下·广东深圳·期末)—It’s been raining a lot this year, and I always have to go to school in the rain.
—I’m sorry to hear that. You ________ be tired of the rain.
A.can B.should C.must D.will
18.(23-24七年级下·吉林长春·期末)—Mum, can I play basketball this afternoon
—Sure, but you ________ finish your homework first.
A.can B.can’t C.must D.mustn’t
19.(23-24七年级下·吉林长春·期末)You ________ swim in the running river. That’s too dangerous.
A.must B.can C.mustn’t D.don’t have to
20.(23-24七年级下·上海普陀·期末)You ________ stick (伸出) your heads out in a moving car.
A.mustn’t B.needn’t C.may not D.can’t
21.(22-23七年级下·云南曲靖·期末)—Hi, Bill! What is an important rule in the library
—We ________ be quiet.
A.have to B.can C.may D.mustn’t
22.(23-24七年级下·湖北武汉·期中)—Must I park my car behind the building
—No, you ________. You ________ park it here.
A.mustn’t; need B.don’t have to; may C.may not; must D.needn’t; must
23.(22-23七年级下·湖北黄石·期中)—Do you ________ clean the classroom every day
—Yes. We usually clean it after class.
A.have to B.has to C.must D.can
24.(22-23七年级下·陕西西安·期中)Alice gets up late today, so she ______ take the next bus.
A.must B.has to C.can D.could
25.(21-22七年级下·江苏无锡·期中)—Could you come with us this afternoon
—Sorry, I ________. I ________ take care of my little sister because my mother is out.
A.can’t; may B.couldn’t; have to C.can’t; have to D.couldn’t; may
参考答案
【同步检测】
1.It’s snowing. Please ________ warm clothes.
A.wear B.wears C.wearing D.to wear
【答案】A
【详解】句意:正在下雪,请穿上暖和的衣服。
考查祈使句。分析句子可知,本句是祈使句,以动词原形开头。故选A。
2.Bill, ________ talk in class. We must listen ________ the teacher.
A.doesn’t; with B.doesn’t; to C.don’t; with D.don’t; to
【答案】D
【详解】句意:比尔,不要在课堂上说话。我们必须听老师讲课。
考查祈使句和介词。第一空结合句意可知,此处是对比尔的建议,属于祈使句,否定祈使句以don’t开头,意为“不要”;第二空,listen to“听……”,固定搭配。故选D。
3.________ me a postcard when you get to Australia. Don’t forget it!
A.To send B.Sends
C.Sending D.Send
【答案】D
【详解】句意:你到澳大利亚后给我寄张明信片。别忘了!
考查祈使句。句子是祈使句,应用动词原形开头,故选D。
4.Jim, ________ read in the sun. It’s bad for your eyes.
A.can’t B.isn’t C.doesn’t D.don’t
【答案】D
【详解】句意:吉姆,不要在阳光下看书。这对你的眼睛不好。
考查祈使句的否定形式。根据“… read in the sun”可知,此句为祈使句;由“It’s bad for your eyes.”可知,对眼睛不好,因此可以判断句子应是祈使句的否定形式,表示不要在阳光下看书,因此在动词前加don’t。故选D。
5.Mary, ________ to the teacher, please.
A.listening B.listens C.to listen D.listen
【答案】D
【详解】句意:玛丽,请听老师说。
考查祈使句。根据“Mary,”可知,句子是祈使句,应以动词原形开头,故选D。
6.—Tom, ________ late for school. —Sorry, I won’t.
A.isn’t B.be not C.don’t be D.isn’t be
【答案】C
【详解】句意:——汤姆,上学不要迟到。——对不起,我将不会了。
考查祈使句。祈使句是动词原形开头,否定形式为don’t+动词原形,be late for“迟到”,因此否定形式为don’t be late for。故选C。
7.—________ late for school again, Tim!
—Sorry, I ________ be late again.
A.Don’t; won’t B.Don’t be; won’t
C.Don’t be; don’t D.Don’t; will
【答案】B
【详解】句意:——蒂姆,不要再上学迟到了。——对不起,我不会再迟到了。
考查否定祈使句。否定祈使句结构为“Don’t + 动词原形”,be late for“迟到”;根据“Sorry, I…be late again.”可知此处是指将来的否定,需用“won’t”。故选B。
8._________ open the door before the train stops.
A.Don’t B.Doesn’t C.Not D.No
【答案】A
【详解】句意:在火车停下前,不要打开门。
考查祈使句。祈使句的否定形式是在动词原形前加Don’t。故选A。
9.______ up now. It’s time for breakfast.
A.Get B.To get C.Getting
【答案】A
【详解】句意:起床了。该吃早饭了。
考查祈使句。根据本句结构可知,空前无主语,为祈使句,动词原形开头,故选A。
10.Please tell me the truth, _________ I can’t decide how to help you with your next step.
A.or B.and C.but D.so
【答案】A
【详解】句意:请告诉我真相,否则我不知道下一步该怎么帮你。
考查连词辨析。or否则;and和;but但是;so因此。“告诉我真相”是“我不知道下一步该怎么帮你”的否定条件,用“祈使句,or+陈述句”结构。故选A。
11.If you like travelling, I ________ recommend some places of interest.
A.can B.should C.need D.may
【答案】A
【详解】句意:如果你喜欢旅游,我可以推荐一些有趣的地方。
考查动词辨析。can可以,能;should应该;need需要;may可能。根据“If you like travelling, I ... recommend some places of interest.”可知,此处表达“我可以推荐一些有趣的地方”。故选A。
12.Alice ________ go out after school because she has _________ homework.
A.can; many B.can’t; much C.can’t; many
【答案】B
【详解】句意:爱丽丝放学后不能出去,因为她有很多家庭作业。
考查情态动词和不定代词。can能;can’t不能;many许多,修饰可数名词复数;much许多,修饰不可数名词。由“她有许多作业”可知,应该是放学后不能出去,所以第一空用can’t,第二空后面的homework是不可数名词,所以用much。故选B。
13.—________ we wear T-shirt to the meeting
—Of course not. It’s not suitable for the formal occasions(场合).
A.Must B.Can C.Will D.Should
【答案】B
【详解】句意:——我们可以穿T恤衫去参会吗?——当然不行。它不太适合正式场合。
考查情态动词。Must必须;Can能,会;Will将;Should应该。根据下文“Of course not. It’s not suitable for the formal occasions”可知,上文应该使用情态动词can,表示请求或允许。故选B。
14.—________ I borrow your dictionary, Jason
—Yes, of course. Here you are.
A.Can B.Must C.Need D.Should
【答案】A
【详解】句意:——杰森,我能借你的字典吗?——是的,当然。给你。
考查情态动词。can能;must必须;need需要;should应该。根据“...I borrow your dictionary, Jason ”可知,是表示请求允许,应用can,故选A。
15.This old computer ________ be Mr Green’s. His computer is new.
A.can’t B.needn’t C.mustn’t D.won’t
【答案】A
【详解】句意:这台旧电脑不可能是格林先生的。他的电脑是新的。
考查情态动词。can’t不可能;needn’t不必;mustn’t禁止;won’t将不。根据“His computer is new.”可知他的电脑是新的,所以这个旧电脑不可能是他的。故选A。
16.—Would you like another glass of water
—No, thanks. I ________ leave now. Tony is waiting for me.
A.can B.may C.must D.could
【答案】C
【详解】句意:——你想要再喝一杯水吗 ——不,谢谢。我现在必须要走了。Tony正在等我。
考查情态动词辨析。can能,会;may可以;must必须;could可以。根据“Tony is waiting for me”可知,我必须要走了。故选C。
17.—Excuse me, may I smoke here
—Sorry! Look at the sign. You ________ smoke in the hospital room.
A.may not B.mustn’t C.needn’t D.don’t have to
【答案】B
【详解】句意:——打扰一下,我可以在这里抽烟吗?——对不起!看这个标志。你不能在病房里吸烟。
考查情态动词。may not可能不;mustn’t不能;needn’t不必;don’t have to不必。根据“Sorry...smoke in the hospital room.”可知是不能在这里抽烟。故选B。
18.—Look at the sign. “________ swimming!”
—So it ________ be dangerous to swim here.
A.Don’t; must B.Not; may C.Not be; can D.No; must
【答案】D
【详解】句意:——看这个标志“禁止游泳”。——所以在这里游泳一定很危险。
考查否定祈使句和情态动词。否定祈使句有:Don’t/Never+动词原形;No+名词/动名词。swimming是动名词,No swimming“禁止游泳”。根据“No swimming!”可知,禁止游泳说明在此游泳一定很危险,must“一定”表示推测。故选D。
19.— Must we sing a song at the party
— No, you ________.
A.mustn’t B.haven’t to C.not have to D.don’t have to
【答案】D
【详解】句意:——我们必须在聚会上唱首歌吗?——不,你们不必。
考查情态动词。mustn’t禁止;haven’t to错误表达;not have to错误表达;don’t have to不必。回答must问句否定回答一般用needn’t/don’t have to,故选D。
20.—Mom, can I go swimming
—No. You ________ do your homework.
A.has to B.have to C.can D.could
【答案】B
【详解】句意:——妈妈,我可以去游泳吗?——不行,你必须做作业。
考查情态动词。has to不得不,必须,第三人称单数;have to不得不,必须;can能;could可以。根据“No”可知,必须待在家里做作业。故选B。
21.I think I ________ do homework now. Because finishing homework on time is a rule in my class.
A.must B.have to C.has to D.mustn’t
【答案】B
【详解】句意:我想我现在不得不做家庭作业。因为准时完成作业是我班级的规则。
考查情态动词。must表示“必须”,侧重于主观看法,认为有必要做某事;have to表示“不得不……”,侧重于客观需要,含有“不情愿”之意,有人称和时态变化;mustn’t表示“禁止”。根据“finishing homework on time is a rule”可知,准时完成作业是班规,作者不得不遵守,主语是第一人称,用have to。故选B。
22.I must finish my homework before I play with my sister every day.
A.should B.can C.have to D.want to
【答案】C
【详解】句意:我必须在每天和妹妹玩之前完成作业。
考查情态动词。should应该;can能;have to不得不;want to想要。根据“I must finish my homework before I play with my sister every day.”可知,划线单词must的意思为“必须”,选项C“不得不”与之意思相近。故选C。
23.—Susan, would you like to go hiking with us this afternoon
—I’d love to, but I _______ study for a test.
A.may B.have to C.can D.might
【答案】B
【详解】句意:——苏珊,今下午你想和我们一起去徒步旅行吗?——我想去,但我不得不为了测验而学习。
考查情态动词。may可能;have to不得不;can能够;might可能。根据“I’d love to, but”可知句意出现转折,要解释不能去徒步旅行的原因,不得不为测验而学习。故选B。
24.—How do you usually go to school
—My school is far away. I ________ take the bus to school.
A.must B.don’t have to C.have to D.has to
【答案】C
【详解】句意:——你通常怎样去学校?——我的学校很远。我不得不乘公共汽车去学校。
考查情态动词。must必须,强调主观;don’t have to无需;have to不得不,动词原形;has to不得不,动词三单。根据“My school is far away.”可知,我不得不乘公共汽车去学校,是客观上的“不得不”,又因为主语是“I”,故用have to的原形。故选C。
25.—Does he ________ eat in the dining hall
—Yes. This is a school rule.
A.must B.has to C.have to D.need
【答案】C
【详解】句意:——他不得不在食堂吃饭吗?——是的。这是校规。
考查情态动词。must必须,强调主观看法;has to不得不,单三,强调客观上的必要性;have to不得不,动词原形;need需要。主语前有Does,此处用动词原形;结合“This is a school rule.”可知此处问是否必须在食堂吃饭,强调客观上的必要性,用have to。故选C。
【真题链接】
1.(23-24七年级下·四川广元·期末)______ quiet, please. You are in the library.
A.Keep B.To keep C.Keeping D.Keeps
【答案】A
【详解】句意:请保持安静。你在图书馆。
考查祈使句。根据“You are in the library.”可知,在图书馆要保持安静,此处是祈使句的肯定形式,动词用原形。故选A。
2.(23-24七年级下·广东深圳·期末)Tom, ________ afraid of speaking in front of people. You are a shining star.
A.don’t B.not be C.don’t be D.not to be
【答案】C
【详解】句意:汤姆,不要害怕在人们面前讲话。你是一颗闪亮的明星。
考查祈使句。根据“afraid of speaking in front of people. You are a shining star.”可知,是不要害怕在人们面前讲话,用祈使句的否定形式,应该是 don’t+ be动词原形+ 形容词。故选C。
3.(23-24七年级下·吉林长春·期末)Mike, ________ play in the street. It’s too dangerous.
A.don’t B.not C.can’t D.no
【答案】A
【详解】句意:迈克,别在街上玩。太危险了。
考查祈使句。don’t不要;not不;can’t不能;no不。根据“Mike...play in the street.”可知,句子是祈使句,祈使句的否定以don’t开头,故选A。
4.(23-24七年级下·云南昆明·期末)Don’t ________ wild mushrooms (野生菌) that you don’t know.
A.to eat B.eats C.eat D.eating
【答案】C
【详解】句意:不要吃你不认识的野生蘑菇。
考查否定祈使句。本句是祈使句的否定形式,其结构为:Don’t+动词原形。故选C。
5.(23-24七年级下·天津河北·期末)It’s going to rain. Please the windows before you leave.
A.close B.closing C.to close D.closes
【答案】A
【详解】句意:要下雨了。你离开前请把窗户关上。
考查祈使句。句子是祈使句,动词原形开头,故选A。
6.(23-24七年级下·重庆江北·期末)_______ use the computer too much. It’s bad for your eyes.
A.Not B.Don’t C.No D.Can’t
【答案】B
【详解】句意:不要过多地使用电脑。这对你的眼睛不好。
考查祈使句。根据“It’s bad for your eyes.”可知,让对方不要过多地使用电脑,此处是祈使句的否定形式:don’t+动词原形。故选B。
7.(23-24七年级下·山东青岛·期末)— ________ late for class again, Tom.
—Sorry, I won’t.
A.No be B.Not be C.Isn’t D.Don’t be
【答案】D
【详解】句意:——Tom,上课不要再迟到了。—— 对不起,我不会了。
考查祈使句。be late for “做某事迟到”,祈使句动词原形开头,否定句在句首加Don’t,故选D。
8.(23-24七年级下·安徽合肥·期末)—________ your homework here tomorrow, Lucy.
—All right, Ms Li.
A.Bring B.Brings C.To bring D.Bringing
【答案】A
【详解】句意:——露西,明天把你的作业带来。——好的,李老师。
考查祈使句。根据“... your homework here tomorrow, Lucy.”是祈使句可知,动词要用原形。故选A。
9.(23-24七年级下·湖北武汉·期末)________ the river, and then you can see my village.
A.Cross B.To cross C.Crossing D.Across
【答案】A
【详解】句意:过了河,然后你就能看到我的村庄。
考查祈使句。cross穿过,动词;across穿过,介词。根据“…the river, and then you can see my village.”可知,句子为祈使句,应用动词原形开头,位于句首,单词首字母需大写。故选A。
10.(24-25七年级上·江苏扬州·期中)Go to bed early, ________ you’ll have enough energy for the next day.
A.or B.and C.but D.because
【答案】B
【详解】句意:早点睡觉,那么你第二天就有足够的精力了。
考查连词辨析。or否则;and和;but但是;because因为。根据“Go to bed early...you’ll have enough energy for the next day.”可知,本句为“祈使句+and/or+陈述句”句型,前后两句为顺承关系,and符合句意。故选B。
11.(24-25七年级上·吉林长春·期末)The little boy ________ swim. He wants someone to help him.
A.can’t B.isn’t C.don’t D.needn’t
【答案】A
【详解】句意:这个小男孩不会游泳。他需要有人帮助他。
考查动词辨析。can’t不会;isn’t不是;don’t不;needn’t不需要。根据“The little boy ... swim. He wants someone to help him.”可知,此处强调能力,表示不会游泳。故选A。
12.(24-25七年级上·吉林长春·期末)My brother learns Chinese from his Chinese friend, so he ________ speak it well.
A.need B.can C.needn’t D.can’t
【答案】B
【详解】句意:我哥哥从他的中国朋友那里学习汉语,所以他能说得很流利。
考查情态动词。need需要;can会,能;need’t不需要;can’t不会。根据“My brother learns Chinese from his Chinese friend”可知,哥哥在中国朋友那里学汉语,因此汉语能说得很好。故选B。
13.(23-24七年级下·江苏泰州·期末)—Some people don’t show their talents (天赋) at the very beginning.
—Exactly. Even Einstein ________ read until he was seven.
A.mustn’t B.can’t C.couldn’t D.needn’t
【答案】C
【详解】句意:——有些人一开始就没有表现出他们的天赋。——没错。即使是爱因斯坦也直到七岁才识字。
考查情态动词和时态。mustn’t禁止;can’t不能;couldn’t不能;needn’t不需要。根据“read”可知,此处表示能力,应用can’t或couldn’t,排除AC;根据“he was seven”可知,是一般过去时,故选C。
14.(23-24七年级下·广东深圳·期末)—Look at the young lady in red. Is it Mrs. Wang
—No, It ________ be her. She is wearing a white dress today.
A.can B.may C.must D.can’t
【答案】D
【详解】句意:——看那位穿红衣服的年轻女士。是王太太吗?——不,不可能是她。她今天穿着一件白色的连衣裙。
考查情态动词辨析。can可能;may也许;must肯定;can’t不可能;根据“She is wearing a white dress today.”可知,红衣服的年轻女士不可能是王太太。故选D。
15.(23-24七年级下·江苏南通·期末)—What does the picture on the right tell the visitors not to do
—When we are in the zoo, we ________ feed the animals.
A.can’t B.may not
C.couldn’t D.needn’t
【答案】A
【详解】句意:——右边的图片告诉游客不要做什么?——在动物园里,我们不能喂动物。
考查情态动词。can’t不能;may not可能不;couldn’t不能;needn’t不必。根据图片及“When we are in the zoo, we ... feed the animals.”可知,是指我们在动物园时,不能喂动物,时态为一般现在时,用can’t表示。故选A。
16.(24-25七年级上·上海闵行·期中)—Must I finish the school project today
—No, you ________. You may do it tomorrow since you are a little tired today.
A.must B.need C.mustn’t D.needn’t
【答案】D
【详解】句意:——我今天必须完成学校的作业吗?——不,你不需要。既然你今天有点累,你可以明天再做。
考查情态动词。must必须;need需要;mustn’t不可以;needn’t不需要。结合“Must I finish the school project today ”是对“Must”位于句首的一般疑问句,其肯定回答为“Yes, you must”,而否定回答为“No, you needn’t”。结合“No, you...”可知,该处是否定回答。故选D。
17.(23-24七年级下·广东深圳·期末)—It’s been raining a lot this year, and I always have to go to school in the rain.
—I’m sorry to hear that. You ________ be tired of the rain.
A.can B.should C.must D.will
【答案】C
【详解】句意:——今年一直在下雨,我总是要在雨中去上学。——听到这个消息我很难过。你肯定非常厌倦下雨了。
考查情态动词辨析。can能;should应该;must肯定;will将。根据“...I always have to go to school in the rain.”可知,我经常冒着雨去上学,你一定很讨厌下雨,must“一定”符合语境。故选C。
18.(23-24七年级下·吉林长春·期末)—Mum, can I play basketball this afternoon
—Sure, but you ________ finish your homework first.
A.can B.can’t C.must D.mustn’t
【答案】C
【详解】句意:——妈妈,今天下午可以打篮球吗?——当然,但是你必须先完成你的作业。
考查情态动词辨析。can能,可能,可以;can’t不能;must必须;mustn’t禁止。根据“can I play basketball this afternoon”以及“but you...finish your homework first.”可知,出去玩的前提是必须完成作业,应用must,故选C。
19.(23-24七年级下·吉林长春·期末)You ________ swim in the running river. That’s too dangerous.
A.must B.can C.mustn’t D.don’t have to
【答案】C
【详解】句意:你不能在奔流的河里游泳。那太危险了。
考查动词辨析和must的用法。must必须;can能;mustn’t禁止;don’t have to不必。根据“That’s too dangerous.”可知,太危险了,所以不能在奔流的河里游泳,故选C。
20.(23-24七年级下·上海普陀·期末)You ________ stick (伸出) your heads out in a moving car.
A.mustn’t B.needn’t C.may not D.can’t
【答案】A
【详解】句意:在行驶的汽车里,你不能把头伸出去。
考查情态动词。mustn’t禁止,不准;needn’t不需要;may not可能不;can’t不能。根据“stick (伸出) your heads out in a moving car.”可知,汽车行驶中,禁止把头伸出去,故选A。
21.(22-23七年级下·云南曲靖·期末)—Hi, Bill! What is an important rule in the library
—We ________ be quiet.
A.have to B.can C.may D.mustn’t
【答案】A
【详解】句意:——嗨,比尔!图书馆里的一条重要规则是什么?——我们必须保持安静。
考查情态动词辨析。have to必须,不得不;can会,能够;may可以;mustn’t禁止。根据“We...be quiet.”可知,图书馆里必须保持安静。故选A。
22.(23-24七年级下·湖北武汉·期中)—Must I park my car behind the building
—No, you ________. You ________ park it here.
A.mustn’t; need B.don’t have to; may C.may not; must D.needn’t; must
【答案】B
【详解】句意:——我必须把车停在大楼后面吗?——不,你不必。你可以把车停在这儿。
考查情态动词。mustn’t禁止;need需要;don’t have to不必;may可以;may not可能不;needn’t不必;must必须。根据“Must I park my car behind the building ”可知,以must开头的一般疑问句的否定回答用don’t have to/needn’t,排除A、C选项;空二处表示可以把车停在这儿,用may符合语境。故选B。
23.(22-23七年级下·湖北黄石·期中)—Do you ________ clean the classroom every day
—Yes. We usually clean it after class.
A.have to B.has to C.must D.can
【答案】A
【详解】句意:——你必须每天打扫教室吗?——是的。我们通常在课后打扫它。
考查动词辨析。have to不得不,必须;has to动词三单形式;must必须;can能够。Do是助动词,位于句首构成一般疑问句,所以这里不能用must或can,因为这两者构成一般疑问句都是放在Do的位置;Do是助动词,后跟动词原形。故选A。
24.(22-23七年级下·陕西西安·期中)Alice gets up late today, so she ______ take the next bus.
A.must B.has to C.can D.could
【答案】B
【详解】句意:爱丽丝今天起晚了,所以她不得不乘下一班公共汽车。
考查情态动词。must必须(主观需要);has to不得不(客观所迫);can能;could能,过去式。根据“take the next bus.”可知她起晚了,不得不乘下一班公共汽车,表示客观所迫,用has to。故选B。
25.(21-22七年级下·江苏无锡·期中)—Could you come with us this afternoon
—Sorry, I ________. I ________ take care of my little sister because my mother is out.
A.can’t; may B.couldn’t; have to C.can’t; have to D.couldn’t; may
【答案】C
【详解】句意:——今天下午你能和我们一起去吗?——对不起,我不能。我必须照顾我的小妹妹,因为我妈妈不在。
考查情态动词。can’t不能;may可能;couldn’t不能;have to不得不。根据“Could you...”可知此处表示委婉语气,其否定回答用can’t,排除BD;根据“I...take care of my little sister”可知是不得不照顾妹妹,用have to。故选C。