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At the beginning of class, the noise of desks _____ could be heard outside the classroom. [ ]A. open

题目简介

At the beginning of class, the noise of desks _____ could be heard outside the classroom. [ ]A. open

题目详情

At the beginning of class, the noise of desks _____ could be heard outside the classroom.

[ ]

A. opened and closed
B. to be opened and closed
C. being opened and closed
D. to open and close

题型：单选题难度：中档来源：同步题

答案

C

上一篇 : _____ many times, he finally
下一篇 : You were fortunate enough to

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