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33. They can be helped by us.
34. The lost dog might be found out by her.
35. Your homework should be done carefully.
36. Five million bottles of champagne will be produced in France next year.
37. The problem can be solved.
38. Experiments on animals should be stopped.
39. Life on another planet might be found.
40. All the schools in the city have to be improved.
41. A new bridge is going to be built in the area.
42. Bicycles must be left in the hall by students.
43. Nothing can be done unless someone gives us more information.
44. A new style of jeans has just been introduced in the USA.

45. Two department stores have been built here.
46. A dictionary has just been sent to me by her. 
I was given a dictionary by her.
47.  Their homework has just been done.
48. She has just been killed by Nam.
49. My car has just been stolen.
50. A new style ofjeans has just been inroduced.
51. Mo has already been sent some flowers.
Some flowers have already been sent to Mo.
52. He has just been given some beef.
Some beef has just been given to him.
53. Sweets are often eaten by children.
54. Children are always made to work hard.
55. Another job might be found in this city by Hung.

33They can be helped by us

34The lost dog might be found out by her

35Your homework should be done carefully

36Five million bottles of champagne will be produced in France next year

37The problem can be solved

38Experiments on animals should be stopped

39Life on another planet might be found

40All the schools in the city have to be improved

41A new bridge is going to be built in the area

42Bicycles must be left in the hall by students

43Nothing can be done unless someone gives us more information

44A new style of jeans has just been introduced in the USA

45Two department stores have been built here