The classroom is very dirty .You must keep it _____.
The classroom is very dirty .You must keep it _____.
Your classroom is so dirty.You must it.填
The classroom is very dirty.it is hard to clean it和it is har
单元测试题4.The classroom is very dirty today.It is hard _______.
The y____ is very dirty,would you please clean it?
英语选择题3We promised _____ our classroom dirty. We must keep __
the classroom must _____(keep)clean every day
.The classroom is so dirty that it needs ______ badly.
The classroom is dirty,snd it needs ______(clean).
Your classroom is so dirty.Everyone should keep it—— a dry b
The problem is very difficult .You must think it over ------
1.The river is very dirty.It smells_____(terrible)