B) Fill in the modals must or mustn’t in the sentences 1) Pupils run around the classroom during the lesson.
2) It’s raining outside. You stay at home.
3) This child eat that sup, if he doesn’t want,
4) Every year every worker of the factory visit a doctor.

III. Answer the questions
1. What rooms are there on the first floor of your school?

2. Is your school modern and big?

3. Who must do shopping in your family?