26. These photographs was taken last week.

27. The students are shown around the city.

28. This letter will be translated into English.

29. English was being studied at 8 last night.

30. Our car has been sold for 3 months.

11. The concerts are hold at the university.

31. Cotton is exported to many countries by Egypt.

32. Something must be done for these poor men.

33. French and English are spoken in Canada.

34. Liz was invited to the festival by Ba.

35. The Christmas tree was decorated with colourful lights.

36. Children was given presents on Christmas Eve by Santa Claus.

37. Some flowers were bought for their mother.

38. TV is watched everyday.

39. That new song is sung everywhere.

40. Goods are delivered to the market.

41. He has been given a lot of money.

42. These computers are going to be exported to many countries.

43. The flight has been cancelled because of the rain.

44. All the students have been invited to the meeting.

45. The letters were posted yesterday.

46. The cakes cane be wrapped automatically by this machine.

47. I was paid a lot of money for this job.

48. The flowers should be grown in the green house.

49. She has been told about it.

50. His teacher will be asked to explain this lesson.

=>
26. These photographs were taken last week. ( last week -> quá khứ đơn/ đề bài take -> took mới đúng)
27. The students are shown around the city by her.
28. This letter will be translated into English by me.
29. English was being studied by us at 8 last night.
30. Our car has been sold for 3 months.
31. The concerts are held at the university by him.
32. Something must be done for these poor men.
33. French and English are spoken in Canada.
34. Liz was invited to the festival by Ba.
35. The Christmas tree was decorated with colorful lights by my father.
36. Children were given presents on Christmas Eve by Santa Claus.
37. Some flowers were bought for their mother.

38. TV is watched by her everyday.
39. That new song is sung everywhere by them.
40. Goods are delivered to the market by them.
41. He has been given a lot of money.
42. These computers are going to be exported to many countries by us.
43. The flight has been cancelled because of the rain.
44. All the students have been invited to the meeting by us.
45. The letters were posted by them yesterday.
46. The cakes can be wrapped automatically by this machine.
47. I was paid a lot of money for this job.
48. The flowers should be grown in the house.

49. She has been told about it.
50. His teacher will be asked to explain this lesson.