We ________ last night, but we went to the concert instead. A．must have studiedB

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We ________ last night, but we went to the concert instead.

A．must have studied	B．might study
C．should have studied	D．would study

答案

解析

表示自责或后悔“昨晚我们本应该学习的，但却…”

举一反三

Tom ought not to ________ me your secret, but he meant no harm.

A．have told	B．tell
C．be telling	D．having told

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I was really anxious about you. You ________ home without a word.

A．mustn’t leave	B．shouldn’t have left
C．couldn’t have left	D．needn’t leave

题型：不详难度：| 查看答案

Jenny ________ have kept her word. I wonder why she changed her mind.

A．must	B．should
C．need	D．would

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I told Sally how to get here, but perhaps I ________ for her.

A．had to write it out	B．must have written it out
C．should have written it out	D．ought to write it out

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Mr. White ________ at 8:30 for the meeting, but he didn’t show up.

A．should have arrived	B．should arrive
C．should have had arrived	D．should be arriving

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