He___ have attended the meeting this morning. He has been staying at my home for
题型：不详难度：来源：
He___ have attended the meeting this morning. He has been staying at my home for a whole day.| A．can’t | B．mustn’t | C．shouldn’t | D．needn’t |
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答案
| A |
解析
| 考查情态动词+have done的用法。句意“他不可能已经参加了今上午的会议。他在我家待了一整天。”这里表示否定的推测，can’t have done“不可能已经做了某事”；mustn’t“禁止”，不表示否定推测。shouldn’t have done“本不该做某事却做了”；needn’t have done“本不必做某事却做了”。故选A。 |
举一反三
The doctor recommended he ________a few more days in hospital.| A．stays | B．to stay | C．stay | D．would stay |
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---Where ________he go?
---I’m not sure, Madame. I think he said he had an appointment. |
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