I _______ have met him a long time ago. Both his name and face are very familia
题型：不详难度：来源：
I _______ have met him a long time ago. Both his name and face are very familiar.| A．may | B．can | | C．would | D．should |
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答案
| A |
解析
| may have done sth 表示对过去可能发生的事进行推测，意为“可能曾经”。 |
举一反三
I didn’t see her in the meeting room this morning. She ______ have spoken at the meeting.| A．mustn’t | B．shouldn’t | | C．needn’t | D．couldn’t |
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He ______ the test again, in which case, his mother will be very disappointed. | A．might fail | B．must have failed | | C．should fail | D．could have failed |
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“Why didn’t she come to the meeting yesterday?” “I’m not so sure. She ______ ill.”| A．should be | B．should have been | | C．must be | D．might have been |
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“Is there a flight to London this evening?” “There _______ be. I’ll phone the airport and find it out.”| A．must | B．might | | C．would | D．can |
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“Show me your permit, please.” “Oh, it’s not in my pocket. It ______.”| A．might fall out | B．could fall out | | C．should have fallen out | D．must have fallen out |
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