Must and Mustn't

1. You _______ respect other people.

• must

• mustn't

2. Everybody ___________ be impolite with people.

• must

• mustn't

3. Pedestrians ___________ use this route.

• must

• mustn't

4. This is a dangerous factory. Everybody ________ use protection clothes.

• must

• mustn't

5. Notice: Visitors ________ take picture.

• must

• mustn't

6. Notice: Everybody ________ wash your hands here.

• must

• mustn't

7. Informative: People ________ use the cellphone in this cinema.

• must

• mustn't

8. Danger: You ________ enter here.

• must

• mustn't

9. I am at school. I ________ my teachers.

• must

• mustn't

10. They are at the library. They __________ talk in high sound.

• must

• mustn't