What a pity! I _____ in London for three more days, but something urgent needed to be dealt with bac

题目简介

What a pity! I _____ in London for three more days, but something urgent needed to be dealt with bac

题目详情


What a pity! I _____ in London for three more days, but something urgent needed to be dealt with back in Beijing.
A.must have stayed B.could have stayed C.may have stayed D.needn’t have stayed
题型:单选题难度:偏易来源:不详

答案

B

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