Should students have breakfast in the classroom?

Should students have breakfast in the classroom? There have some students in the classroom/ 急需Should Students use cellphones in the classroom?英语作文 the students have to stay in the classroom,_______ they? the students have to stay in the classroom,______ The students usually have lessons t____ in the classroom. Some students [ ] in the classroom The students have cleaned the classroom,_______? one the students is in the classroom the students study in the classroom The students have to (s ) in the classroom on sunday morning There are ______ students in the classroom.