We stopped _____, but heard nothing.[ ]A. to listen B. to listen to C. listening D. to listening to

题目简介

We stopped _____, but heard nothing.[ ]A. to listen B. to listen to C. listening D. to listening to

题目详情

We stopped _____, but heard nothing.

A. to listen
B. to listen to
C. listening
D. to listening to
题型:单选题难度:中档来源:同步题

答案

A

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