Question

1. You________tidy up your room. 

must
must not

2. They______smoke. 

must
mustn't

3. We______do our homework. 

must
mustn't

4. The boys______play with fire. 

must
mustn't

5. I_______be home on time. 

must
mustn't

6. They_______turn the music too loud. 

must
mustn't

7. The girls____help in the house. 

must
mustn't

8. You______annoy your little sister. 

must
mustn't

9.You_______bite nails.

must
mustn't

10. It's late. You_______make so much noise. 

must
mustn't​

Answer 1

1. Must
2. Mustn’t
3. Must
4. Mustn’t
5. Must
6. Mustn’t
7. Must
8. Mustn’t
9. Mustn’t
10. Mustn’t