题目内容
The classroom ________ by students yesterday.
[ ]
A. is cleaned up
B. was cleaned up
C. cleaned up
D. cleaning up
答案:B
提示:
提示:
|
过去时的被动语态 |
练习册系列答案
相关题目
题目内容
The classroom ________ by students yesterday.
[ ]
|
过去时的被动语态 |