Question

Use (must) or (mustn't) 1) You ... go out. It is raining heavily 2) Your room is messy. You ... do your room and wash the floor. 3) Jane, you're ill. You ... stay in bed. 4) Bob has a high temperature. He ... go to school. 5) It's eleven o'clock. Betty ... go to bed. 6) Jill has a bad tooth. She ... eat much chocolate 7) You ... play in the street. It's dangerous.

Answer 1

1 mustn`t
2 must
3 must
4 mustn`t
5 must
6 mustn`t
7 mustn`t

Answer 2

1. mustn't
2. must
3. must
4. must
5. must
6. mustn't
7. mustn't 

Answer 3

1) You mustn't go out. It is raining heavily. 2) Your room is messy. You must do your room and wash the floor. 3) Jane, you're ill. You must stay in bed. 4) Bob has a high temperature. He mustn't go to school. 5) It's eleven o'clock. Betty must go to bed. 6) Jill has a bad tooth. She mustn't eat much chocolate. 7) You mustn't play in the street. It's dangerous.