题目内容
4、--Why is the classroom so dirty?
--Sorry，sir．It_______ yesterday．We forgot to do it．
A．doesn't clean B．didn't clean
C．isn't cleaned D．wasn't cleaned
试题答案
4、D
相关题目
--Why is the classroom so dirty?
--Sorry，sir．It_______ yesterday．We forgot to do it．
A．doesn't clean B．didn't clean
C．isn't cleaned D．wasn't cleaned
查看习题详情和答案>>—Why is the classroom so dirty?
—Sorry，sir. It yesterday, We forgot to do it.
| A．doesn’t clean | B．didn’t clean |
| C．isn’t cleaned | D．wasn’t cleaned |