问题 选择题

The boy found a wallet on the ground and stopped _________.

A.picking it up

B.picking up it

C.to pick it up

D.to pick up it

答案

答案:C

stop to do sth 表示停下去做另一件事,同时,pick ···up为动词+adv的情况,如果其宾语为人称代词时,需位于二者之间,故选C

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