______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.A.To

题目简介

______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.A.To

题目详情

______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
A.To waitB.Have waited 
C.Having waitedD.To have waited
题型:单选题难度:中档来源:不详

答案

C
此题考查非谓语形式。该分词短语补充成完整的句子是:When he had waited in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.分词作状语,分词的逻辑主语就是句子主语。由于分词短语的动作在先,所以用现在分词的完成形式。

更多内容推荐