________, the boy couldn’t enter his house. A.Since the key has lost B.The key been lost C.Lost the

题目简介

________, the boy couldn’t enter his house. A.Since the key has lost B.The key been lost C.Lost the

题目详情


________, the boy couldn’t enter his house.
A.Since the key has lost B.The key been lost
C.Lost the key D.Having lost the key
题型:单选题难度:偏易来源:不详

答案

D
考查非谓语动词。主语the boy与lose之间是主谓关系,所以用现在分词,且分词的动作发生在谓语动词之前,所以用现在分词的完成式。句意:丢了钥匙之后这个小男孩不能进入他的房子。所以选D。

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