they didn't clean the classroom yesterday.the classroom ___
they didn't clean the classroom yesterday.the classroom ___
the classroom weren't clean yesterday找错
why _ clean the classroom yesterday?A no B not C didn't D di
They were asked to clean the classroom yesterday. This kind
Must they clean the classroom now?No,they ___.A.can't.B.need
造句.clean the classroom,at4pm,yesterday
We must ___(keep) the classroom clean.
We asked them ___(clean) the classroom yesterday. It's a ___
clean the classroom
保持-------the classroom clean.
______ clean the classroom.
they were clean the classroom yesterday哪错了,为什么.主要要原因!