Ⅰ. Write some conversations after the model. 仿写对话。
A) Model: Arrive on time. Don't be late for school.

1.
2.
3.
4.
B) Model: A: Can Sally wear her own jacket in school?
B: No, she can't. She must/has to wear the school uniform.

5. A: Can we ?
B: No, we can't. We must/have to .
6. A:
B:
7. A:
B:
8. A:
B:

Ⅰ. A)
1. Walk in the hallway. Don't run in the hallway.
2. Keep the school clean and tidy. Don't litter.
3. Wait for your turn. Don't jump the queue.
4. Keep quiet in the library. Don't make noise in the library.
B)
5. bring our phones to class; turn them off and keep them in our lockers
6. A: Can we eat snacks in class?
B: No, we can't. We must/have to eat in the dining hall.
7. A: Can Mary run in the hallway?
B: No, she can't. She must/has to run on the sports field.
8. A: Can Tony feed his dog chocolate?
B: No, he can't. He must/has to feed his dog apples and carrots.