1. Поставьте must, mustn't, have to, don't have to или doesn't have to. 1. It's a secret. You ... tell it to anyone. 2. You... respect your parents. 3. She is very rich. She go to work. 4. This party is free. You ... buy any tickets. 5. This is the last bus for Paris and we ... miss it. 6. You ... be on time for the exam. 7. They... eat too much cake. 8. We're going to the restaurant, so our mother ... cook tonight. 9. You ... forget to turn off the light before you leave. 10.It's getting late. I think I ... go now. 11. Boys and girls, you ... hand in your essays by Thursday. 12.Tom... take a bus because his dad drives him to school every morning. 13. You ... tell me lies. It's just awful. 14. We ... tidy up our room because our sister did it yesterday. 15. You ... smoke on board the plane.

Ответ:

1. You mustn't tell it to anyone. (Это секрет, поэтому рассказывать нельзя.)
2. You have to respect your parents. (Нужно уважать родителей.)
3. She is very rich. She doesn't have to go to work. (Она очень богата, ей не нужно ходить на работу.)
4. This party is free. You don't have to buy any tickets. (Вечеринка бесплатная, тебе не нужно покупать билеты.)
5. This is the last bus for Paris and we mustn't miss it. (Это последний автобус в Париж, мы не должны его пропустить.)
6. You have to be on time for the exam. (Ты должен быть вовремя на экзамен.)
7. They mustn't eat too much cake. (Им нельзя есть слишком много торта.)
8. We're going to the restaurant, so our mother doesn't have to cook tonight. (Мы идем в ресторан, поэтому нашей маме не нужно готовить сегодня.)
9. You mustn't forget to turn off the light before you leave. (Тебе нельзя забывать выключать свет перед уходом.)
10. It's getting late. I think I must go now. (Уже поздно. Думаю, мне пора идти.)
11. Boys and girls, you have to hand in your essays by Thursday. (Мальчики и девочки, вы должны сдать свои эссе к четвергу.)
12. Tom doesn't have to take a bus because his dad drives him to school every morning. (Тому не нужно ездить на автобусе, потому что папа отвозит его в школу каждое утро.)
13. You mustn't tell me lies. It's just awful. (Тебе нельзя мне врать. Это ужасно.)
14. We had to tidy up our room because our sister did it yesterday. (Нам пришлось убирать свою комнату, потому что наша сестра сделала это вчера.)
15. You mustn't smoke on board the plane. (Тебе нельзя курить на борту самолета.)

Ответ: