—Whose book is this? —It _____ be Mary’s. Mo Yan is her favorite author. —No, i
题型：不详难度：来源：
—Whose book is this?
—It _____ be Mary’s. Mo Yan is her favorite author.
—No, it ____ be hers, she never brings novels to school.| A．may; mustn’t | B．can; can’t | C．must; can’t | D．must; mustn’t |
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答案
| C |
解析
试题分析：句意:-这是谁的书？-它一定是Mary的，莫言是她最喜欢的作家。-不，不可能是她，她从来没有把小说带到学校来。本题考查情态动词表示推测的用法，在肯定句中表示有把握的推测用must;否定句中用can’t 表示不可能。must 不能用于否定句。故选C。 |
举一反三
—When can I come here for the photos? I really need them tomorrow afternoon.
—They _______ be ready by 12:00. | A．can | B．must | C．should | D．need |
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-Is that your best friend Kitty?
- No, it _________ be her. She flew to Singapore yesterday.| A．mustn’t | B．may not | C．needn’t | D．can’t |
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—Must I do my homework now?
—No, you _______. You can do it tomorrow.
A. mustn’t B. don’t C. needn’t |
–Must I return the story book tomorrow, madam?
–No, you ______ bring it here next Monday.| A．may | B．must | C．mustn’t | D．maybe |
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—Who is the girl standing over there? —Well, if you _____ know, her name is Kate.| A．must | B．may | C．can | D．shall |
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