Look at the mess the boys made! You _______ have taught them how to behave thems
题型：不详难度：来源：
Look at the mess the boys made! You _______ have taught them how to behave themselves.| A．must | B．may | C．can | D．should |
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答案
| D |
解析
| 考查情态动词。must 必须，may 可能，can 会，should 应该，句意：看孩子们弄得一团糟！你本应该教给他们如何守规矩。should have done 本应该做某事而实际上没有做，所以选D。 |
举一反三
–I could not start my car this morning due to the cold weather.
--No wonder you were late. You ___ have used mine. I was not using all the morning.| A．should | B．must | C．could | D．might |
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Peter ______ be really difficult to deal with at times even though he’s a nice person in general.| A．shall | B．should | C．can | D．must |
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John ___ such a thing about you. He never speaks ill of you behind your back.| A．can’t have said | B．might not have said | | C．couldn’t say | D．mustn’t have said |
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–What a pity! I didn’t attend the lecture given by Dr. Green yesterday.
—I _____, either, if my parents hadn’t reminded me.| A．wouldn’t | B．hadn’t | C．didn’t | D．wouldn’t have |
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It sound like a perfect destination,but it is really adventurous to go there.| A．must | B．should | C．can | D．may |
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