Ответ: 1. Mustn’t2. Should3. Shouldn’t4. Should5. Can6. Can/May7. May8. Can’t9. May10. Can
Ответ: 1.You must not talk a loud in the library.2.We should visit our grandparents more often.3.You should not drive too fast in the city.4.I think she needs to go to a doctor.5.Can you help me?6.You must sing for us!7.It must have cost a fortune!8.I can not believe that you failed your test!9.I must have seen that movie eight times.10.I can not understand what he is saying.