--The man in a black suit _______ be our youth worker. -- I’m sure it _____ be h
题型：不详难度：来源：
--The man in a black suit _______ be our youth worker.
-- I’m sure it _____ be him. I saw him in the laboratory building some minutes ago. | A．must; can’t | B．can; mustn’t | C．can; could | D．must; won’t |
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答案
| A |
解析
试题分析：句意：那个穿黑色礼服的人一定是我们的青年工人。我确信他不是。我几分钟前在实验楼里看见他了。第一个空是一种语气比较肯定的推测，而can’t表示“不可能”，根据后面的I saw him in the laboratory building some minutes ago.可以看出，他在实验室里有可能是科技人员；故选A。 |
举一反三
— I’m a little tired. Let’s go to the zoo by taxi.
—We ________take a taxi. It’s not far from here.| A．needn’t | B．couldn’t | C．mustn’t | D．can’t |
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—May I use your computer, Mr WU? —______．| A．Yes, you may not | B．No, you may | C．Yes I may | D．No, you may not |
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You __ _ cross the road when the traffic lights are red. It’s dangerous.
A. needn’t B. may not C. mustn’t |
You ___________ follow the traffic rules. Otherwise, it is dangerous for you. | A．must | B．can | C．may | D．should |
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–Who is the man over there ? Is it Mr. Li?
--No, it_____be him . Mr. Li is much taller.
A. mustn’t B. may not C. can’t |
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