We must ___(keep) the classroom clean.
We must ___(keep) the classroom clean.
We must keep our classroom clean The sentence stucture here
we must keep the classroom clean的句子基本结构
英语:keep用法1.We must keep the classroom .A.clean B.to clean C.
这个句子的被动语态:we must keep the classroom clean 谢
初中英语变为被动语态we must keep our classroom clean
we must keep our classroom clean改被动语态
We must keep our classroom clean and tidy句子结构
We must keep our classroom (clean) every day
the classroom must _____(keep)clean every day
We are told ____(keep)the classroom ____(clean).
we must keep classroom clean.这句中的must是什么词,做什么成份?