Comrade Wang ________ be in Shanghai—I saw him in the company only a few minutes
题型：不详难度：来源：
Comrade Wang ________ be in Shanghai—I saw him in the company only a few minutes ago.| A．mustn’t | B．can’t | C．may not | D．isn’t able to |
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答案
| B |
解析
| 情态动词 must 表推测时只能用于肯定句。在否定句中用 can’t 代替must。can’t 意为“不可能”；may not 意为“可能不”；be able to 表示经过努力或克服了困难之后做成了某事的能力，意为“能，会”。句中的破折号起解释说明的作用。“我几分钟前在公司见过他”，因此“不可能在上海”，故答案为 B。 |
举一反三
I told Sally how to get here, but perhaps I _______ for her. | A．had to write it out | B．must have written it out | | C．should have written it out | D．ought to write it out |
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Tom’s mother often requires that he more time in studying English every day．| A．spend | B．spends | C．spending | D．spent |
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He the person referred to be put in prison.| A．said | B．demanded | | C．agreed | D．thought |
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Jane’s pale face suggested that she ill, and her parents suggested that she medical examination.| A．be; should have | B．was; have | | C．should be; have | D．was; has |
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He the job well, but he so careless.| A．had done; had been | | B．could do; was | | C．could have done; was | | D．hadn’t done; had been |
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