помогите сделать безотлагательно 3,4,5

3.

You must be quiet.

You mustn't eat or drink.

You must be careful with the books.

You mustn't leave books on the table when you leave.

You must put the books back in the right place.

4.

1.A

2.B

3.A

4.C

5.B

5.

She mustn't

They can't

You needn't

I don't have to

He doesn't need to

3.
1) you must be quiet
2) You mustnt eat or drink
3) You mustnt leave books on the table when you leave
4) You must put the books back in the right place
4.
1) A
2)B
3)A
4)B
5)B
5.
1) She mustnt
2) They cant
3)You neednt
4) I dont have to
5) He doesnt need to