Rewrite these sentences in passive voice.

( Giúp e vs mn ơi e cần gấp nộp bt á mn :(( )

8. The examiners  have to read the passage 3 times.

12.They will have to pull down that building.

17. You should pay more attention to your study.

18.They can see the valley from the top of this hill.

19.You must wash your hands.

20. Will you post this letter on the way to work?

22. How many ways can you solve this problem?

23. I am sure that I will prepare everything carefully.

28. she couldn’t catch his name.

31.Jane is going to buy a new computer.                    

32. He is going to sell his house.                

33.Millions of people will visit the museum .    

35. Nothing will affect the result of the competition.

37. We will force the villagers to work hard

38.They should ask him before giving the decision.           

40. They have to cancel the meeting.

41. She needs to clean the floor.