The students were reviewing their lessons when the teacher came in.(保持原句意思)The students were ________ ________ their classroom when the teacher came in.说明为什么

The students were very h_____ . The students were fast (sleep). Who were the students with today There‘re (t ) of students in the university. What're these students play in the play对吗? There were many students inThere were many students in the classroom(改为单数句) The students were listening to the teacher attetively是什么意思 There're about 150 people_in the accident.1were killed2killedwhy The audience,（）,enyoyed the performancemost of them were studentmost of whom were studentsthey were mostly studentsthey thenselves were students All the students were here yesterday.的同义句 all the students were very excited改一般疑问句快 All the students were very excited 怎么肯定否定回答 All the students were very happy怎么改否定句 all the students were very sxcited的肯/否 all the students were very sxcited的否定句 the students were all ( ) home.选in还是at Were there any students on the playground作否定答语 All the students were bored at this filmwere bored