—Show me your permit, please.—Oh, it"s not in my pocket. It ________.A．must have
题型：不详难度：来源：
—Show me your permit, please.
—Oh, it"s not in my pocket. It ________.| A．must have fallen out | B．might fall out | | C．could fall out | D．should have fallen out |
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答案
| A |
解析
| A 考察情态动词。句义：请给我看你的准入证。哦！证件不在我的口袋里，肯定掉了。Must have done表示对过去事情的肯定推测。意为：一定做了某事。故A正确。 |
举一反三
Martin hasn"t got in touch with me for ages. He ________ my new cell phone number.| A．can"t get | B．mustn"t get | | C．can"t have got | D．shouldn"t have got |
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—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?
—________ my students have a try? |
Oh, I"m not feeling well in the stomach. I ________ so much fried chicken just now.| A．shouldn"t eat | B．mustn"t have eaten | | C．mustn"t eat | D．shouldn"t have eaten |
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Your teacher ________ very angry at that moment because you talked back to her like that.| A．should have been | B．must have been | | C．must be | D．might have been |
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When Harry was at college, he ________ go to the reading room after supper every day.| A．should | B．might | | C．would | D．could |
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