首页 /  Last night Li Ping watched the football match at my home, so he      in his offic

 Last night Li Ping watched the football match at my home, so he      in his offic

 Last night Li Ping watched the football match at my home, so he      in his office.

 A.needn’t have worked               B. mustn’t haven’t worked

 C. shouldn’t have worked              D. couldn’t have worked

答案

D

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