206. mustn't или don't have to?

Заполнение пропусков:

1. I've got a lot of cheese, so I must buy more.
2. The letter is important, so you must answer it.
3. It's Saturday, so we don't have to go to school.
4. It's hot today, so you don't have to wear a jacket.
5. It's sunny today, so you don't have to take your umbrella.
6. Grandpa will come home at 8 o'clock, so we must wait for him for dinner.
7. She'll make an omelette today, so you don't have to peel the potatoes.
8. You must talk in the library.
9. We must go by bus, we can take a taxi.
10. I must be late for school.
11. We must visit him today. He is OK. He'll go to school tomorrow.

Сравнение:

• Shall I read the text? — Мне читать этот текст? (Просьба о предложении, инструкции)
• Must I read the text? — Мне обязательно читать этот текст? (Вопрос об обязательстве)