Thay đổi thành thụ động 1 you can't wash this drees 2 you should open the champagre before you useit about 3 hours 3 members might keep books for 2 weeks 4 sam ought to clean his room every day 5 visitors must leave umbrellas anh sticksin the cloak room 6 we canot ex change items which customers have bought during thesale 7 you mustn t move this woman she s tooill 8 you have to leave him here Em tks ạ

1.This dress can't be washed

2.The champagne should be opened before you use it about 3 hours.

3.Books might kept for 2 weeks.

4.Sam's room ought to be cleaned every day.

5.A message ought to be left on the table for me by Herny.

6.Umbrellas and sticks should be left in the cloakroom by visitors.

7.It can be brought back by Sam this afternoon.

8.Items which customers have bought during the sale can't be exchanged.

9.This woman who is too ill mustn't be moved.

10.He has to be left here.

1. This dress can't be washed

2. The wine should be opened about 3 hours before it is used

3. Books may be kept by members for 2 weeks

4. Clean ought to be cleaned his room by Sam

5.Umbrellas and sticks must be left in the cloakroom by visitors

6. Items, which have been bought by customers during sale, can not be exchanged

7. This woman mustn't be moved, she is too ill

8. He will have to be left here