Question

4) Complete the sentences with mustn’t or needn’t 1. I …do homework today. I haven’t got any. 2. We …bring pets to school. 3. You …walk or run in the classroom.

Answer 1

1.needn't
2.musn't
3.musn't

Answer 2

 1.I have to do your homework now. I do not have any.2. We should not bring pets to school.3. You have to walk or run in the classroom.