Turn into the passive voice

20. Today Viet plays chess with his friends.

 

21. Last week Ngoc met her friend there.

 

22. At the moment Tran is cooking rice in the kitchen.

 

23. Next month Ai Nhi will win a prize.

 

24. Now To Quyen is doing her exercises.

 

25. Thien Son was washing his clothes then.

 

26. In HCMC Yen Phi saw a lot of interesting places.

 

27. In Tay Ninh Tuong Linh took a cable car up to the mountain.

 

28. Nhu is peeling some vegetables now.

 

29. Hai Tam borrowed some books in the library.

 

30. My Van has erased the stain on the table.

 

31. The doctor has saved two patients recently.

 

32. Minh may eat the apple in the fridge.

 

33. The story surprised us then.

 

 

34. Mr Anh has trapped fifteen mice up to now.

35. Sang has visited that pagoda.

 

36. Tu Linh does not drink tea.

 

37. Mai did not bring her books last time.

 

38. Thanh Quan can not carry that case now.

 

39. Nam Anh is not raising some chickens.

 

40. My Vi was not reading her novel then