Нужно выбрать правильный вариант и объяснить почему 1. you must/mustn't/can't eat in the classroom. it's not allowed 2. student's can't/have to/don't have to take the rubbish out. the cleaners will do it 3. yoy mustn't/must/can't enter the building after 10 o'clock. the entrance is closed 4. you can't/must/mustn't get permission to invite friends in your room 5.you can/can’t/must sit on the grass! you will destroy the flowers.

1. mustn't (запрет. Not allowed=запрещено)
2. don't have to (не обязаны, так как за них мусор выносят уборщицы)
3. can't (физически невозможно зайти, так как вход закрывается в 10)
4. must (обязательство. нужно просить разрешение у родителей)
5. can't (запрет, не садись на траву чтобы не смять цветы)

1. This book has been read by everyone. 2. The letter will be sent tomorrow. 3. Is she often asked? 4. Your question will be answered tomorrow. 5. The text was being translated yesterday from two to three. 6. The work has just been completed by us. 7. These books will have been published by the end of the year. 8. Is our test being checked now? 9. The new book will be spoken about a lot. 10. Many new buildings are being built now in our town. 11. The keys were lost yesterday. 12. The boy will be taken to the cinema. 13. Have you been told about it? 14. Has the telegram been already received?

1) This book has been read by all . 2. A letter will be sent tomorrow. 3. It often ask? 4. Your question will be answered tomorrow. 5. The text was translated yesterday from two to three.
6. Work has just been completed by us. . 7. These books have to be published by the end of the year..  8. Our audit work is currently being tested? 9. A new book will be a lot to talk about. 10. In our city is being built many new buildings. 11. The keys were lost yesterday. 12. The boy take in a movie. 13. Have you been told about it? 14. Telegram has already been received?