ПОМОГИТЕ!!!!!!!!!!!!!
Use must/mustn’t, may, can/can’t, should/shouldn’t, need/needn’t.

You ___ talk aloud in the library.

We ___ visit our grandparents more often.

You ___ drive too fast in the city.

She looks pretty sick. I think she ________ go to a doctor.

Hey I'm lost. ________ you help me?

You have such a beautiful voice. You ________ sing for us!

That looks very expensive. It ________ have cost a fortune!

I ________ believe that you failed your test!

I ________ have seen that movie eight times.

I ________ understand what he's saying.

1. Mustn't2. Should3. Shouldn't4. Should5. Can6. Can/May7. May8. Can't9. May10. Can

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.