“Why didn’t she come to the meeting yesterday?” “I’m not so sure. She ______ il
题型：不详难度：来源：
“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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答案
| D |
解析
| 从时间上看，由于是昨天没来开会，所以推测他生病也应指昨天，故排除A和C。从语境上看，既然上文说 I’m not so sure，那么说明说话者对自己的推测没有很大把握，故选D。 |
举一反三
“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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“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”| A．must; could | B．may; might | | C．need; must | D．could; need |
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“Did Jim come?” “I don’t know. He _______ while I was out.”| A．might have come | B．might come | | C．mush have come | D．should have come |
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—How about paying a visit to Mr. Richardson, our former history teacher?
—Good idea. I will e-mail him today so he ___ know ___ to expect us.| A．may,when | B．would, why | C．will, how | D．shall, why |
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