They usually keep their classroom clean .clean做什么成分?
They usually keep their classroom clean .clean做什么成分?
They must clean their classroom every day
Their classroom is big.they keep _________(its)clean every d
they often clean their classroom often school =they classroo
The students promise that they will keep the classroom clean
They clean their classroom after school.改为现在进行时
They often clean their classroom after school变被动语态
改被动语态They clean their classroom every day.
______the students clean their classroom every day yes,they
Your classroom must__(keep)clean.
we must keep classroom clean.这句中的must是什么词,做什么成份?
They clean their classroom after school.对画线部分提问,划线部分(clean t