Ответ:
1)
1. tidy
2. take
3. make
4. unload
5. put
6. do
2)
1. Вы не должны курить здесь.
2. Напитки Физзи не хороши для тебя.
3. Я терпеть не могу курение.
4. Как часто ты занимаешься?
3)
1. My sister doesn't have to do the washing up.
2. We have to study on Saturdays.
3. They have to make dinner.
4. Students don't have to do homework.
4)
1. can
2. mustn't
3. must
4. don't have to
5. can
6. are allowed to
7. can
8. is allowed to
Объяснение: