We last night, but we went to the concert instead. A. must have studied B.might
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We ______ last night, but we went to theconcert instead.
A. must have studied B.mightstudy
C.should have studied D.wouldstudy
试题答案
答案:C
解析:本来应该学习却没有这么做,要用should have studied。
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