4. Student A : Our school is very dirty. ……………………. Student B : I think so. 1. Everyone should not litter. 3. Do you mind stopping littering? 2. Stop littering. 4. Will you stop littering?
4. Student A : Our school is very dirty. ……………………. Student B : I think so.1. Everyone should not litter. 3. Do you mind stopping littering?2. Stop littering. 4. Will you stop littering?