— I saw Mr Li at the meeting yesterday.— Did you? He _______ have attended it, f
题型：不详难度：来源：
— I saw Mr Li at the meeting yesterday.
— Did you? He _______ have attended it, for he had asked for sick leave.| A．needn’t | B．couldn’t | C．shouldn’t | D．mustn’t |
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答案
| B |
解析
试题分析：考查情态动词用法。Needn’t have done本不需要做某事，实际上却做了。Couldn’ t have done不可能做了某事；shouldn’t have done 本不应该做某事，实际上却做了；句意：—昨天在会议上我看见了李先生。—是吗？他不可能从句会议的，因为他已经请了病假了。故B正确。
点评：Needn’t have done本不需要做某事，实际上却做了。Couldn’ t have done不可能做了某事；shouldn’t have done 本不应该做某事，实际上却做了； |
举一反三
—I’ m sorry. I ______ at you the other day.
---Forget it. I was a bit out of control myself.| A．shouldn’t shout | B．shouldn’t have shouted | | C．mustn’t shout | D．mustn’t have shouted |
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If the weather had been better, we could have had a picnic. But it _____ all day.| A．rains | B．has rained | C．rained | D．is raining |
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It was dangerous for you to swim in that river. You eaten by the fish.| A．might have been | B．must have been | | C．could have been | D．should have been |
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The new law states that people _____ drive after drinking alcohol.| A．wouldn"t | B．needn"t | C．won"t | D．mustn"t |
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-- May I smoke here?
-- If you____, that"s the smoking section over there.| A．should | B．could | C．may | D．must |
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