、.單項填空
1.(2014·株洲高一檢測)—Must I hand in this paper one hour later?
—Yes, you________.
A.need B.must
C.may D.will
答案:B 句意:我必須一小時后交文件嗎?——是的,必須。must可以表“推測”或“必須”,當表示“必須”時,肯定回答也必須用must。
2.—Many boats near the seaside were destroyed by the wind.
—Well, the wind ________ have been very strong.
A.can B.must
C.need D.should
答案:B 句意:——海岸附近的很多船都被風破壞了!,那場風一定很大。can表示實際的可能性時,常用于否定句和疑問句中,用于否定句時,意為“不可能”;must表示接近事實的肯定推測,用于肯定句;need表示“需要”;should表推測時常表示“合乎理想的事或結果”。故選B。
3.You ________ do the exercise if you don't want to.
A.may not B.can't
C.mustn't D.needn't
答案:D 考查情態(tài)動詞。句意:如果你不想運動,就不必做。may not可能不;can't不可能;mustn't絕不可以;needn't不必。結合句意選D。
4.—Isn't that your head teacher over there?
—No, it ________ be him. I'm sure he has just left.
A.can't B.must not
C.won't D.may not
答案:A can't不可能;must not禁止;won't不愿或不會;may not可能不。根據(jù)語境及答語中的“I'm sure”,可知答話的人肯定那不是校長。
5.When we lived in that village,we________ often climb mountains together.
A.might B.should
C.could D.would
答案:D 句意:當我們在那個村莊住的時候,我們經(jīng)常一起爬山。would在此表示過去習慣性的動作。
6.A machine ________ work for itself; it must be operated by man.
A.can't B.couldn't
C.may not D.might not
答案:A 句意:機器自己不能工作;必須有人操縱。can可以表示一種客觀上的能力,本句can't,表示“不能,不會”。
7.You ________ leave the little boy alone at home. He is too young.
A.mustn't B.needn't
C.mightn't D.won't
答案:A 考查情態(tài)動詞。句意:你不可以讓小男孩單獨待在家里,他太小了。mustn't絕不可以;needn't不必;mightn't可能不;won't不會。結合句意選A。
8.(2014·蘭州高一檢測) How ________ you say that you really understand the whole text if you have covered only part of it?
A.can B.must
C.need D.may
答案:A 句意:如果你只讀了一部分,你怎么能說真正理解了整篇文章呢?can能,能夠;must必須;need需要;may可以。結合句意選A。
9.—To work in the deep water is dangerous. What should we do?
—________the robots have a try?
A.Shall B.Must
C.Will D.May
答案:A shall用于第一、三人稱疑問句中,表示說話人征求對方的意見或向對方請示。
10.It is strange that the old man usually particular about everything ________ accept the decision without doubt.
A.should B.would
C.can D.must
答案:A 考查情態(tài)動詞。句意:那位通常對每件事情都挑剔的老人竟然毫無疑問地接受了這個決定,太奇怪了。should用來表示驚訝的語氣,意為“竟然”。