题目内容

16、

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

 

 

试题答案

16、C

相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网