Question

—I didn’t take notes at yesterday’s meeting because I had left my pen at home.

—You ________ mine. I ______ it.

A．must have borrowed; wasn’t using	B．may have borrowed; wasn’t using
C．should have borrowed; hadn’t used	D．could have borrowed; wasn’t using

Answer

D

【解析】

试题分析：考查情态动词+完成时，must have done 表示对过去的事情肯定推测；may have done 表示对过去事情不肯定推测；should have done表示应该做某事而没做； could have done表示过去未完成的事情，根据句子意思，所以选D

考点：考查情态动词+完成时