1. 1) mustn’t
2) mustn’t
3) must’t
4) must
5) must
6) must
2. 1) must
2) don’t have
3) could
4) mustn’t
3. 1) had to
2) must
3) had to
4) must
4. 1) have to
2) must
3) had to
4) has to поскольку нет правильного варианта в задании
5. 1) should watch
2) should go
3) should clean
4) should visit
5) should wear
6) should read
6. 1) I think everybody should wash their hands
2) I think you should wake up earlier
3) I don’t think you should buy this expensive dress
7. 1) They don’t have to write a composition
2) I don’t have to work anymore. I won the lottery
3) We mustn’t talk loudly. This is a hospital
4) I have an exam tomorrow. I must study
5) Sara can sing very well
8. 1) You have to go straight 100 m and then turn left.
2) You should take a bus 5
3) You should turn left, then go straight and cross the road.
Объяснение:
1. Dinner hasn't been made by her yet.
2. A new stove shall be bought by us.
3. The flowers are being watered every day by me.
4. An insured letter has been delivered by a postman.
5. These beautiful flowers are being planted by my grandmother.
3)
1. There is too MUCH salt in the soup.
2. There are A FEW sky-scrapers in our city.
3. I’ve got A FEW albums of this singer.
4. My job allows me to travel MUCH.
5. We’ve got LITTLE free time.
6. I have never seen so MANY starts in the sky.
7. Anna spent A FEW days in Rome.
8. I’d like just A LITTLE tea.
9. There was very LITTLE rain last autumn.
10. Very FEW Russian tourists are staying at our hotel.
Объяснение: