问题 选择题

_______ a post office, I stopped _______ some stamps. 

A.Passed, buying

B.Passing, to buy 

C.Having passed, buy

D.Pass, to buy

答案

答案:B

考查非谓语动词。第一空,主语I与pass之间是主谓关系,故用现在分词,在这作状语,第二空,stop to do 停下来去做另一件事,stop doing停止正在做的事,句意:通过邮局,我停下来买了一些邮票。所以选B。

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