14, A lot of tourists are attracted by Hoi An.

15, Was first-aid course attended by all students last year?

16, Cows can be milked by farmer by twice a day.

17, Hoa was taught how to give first-aid on the phone by the nurse.

18, When I came,the computer was being repaired by him.

19, A lot of trees will be grown in the park by us.

20, The living room are being painted light blue by them.

21, Many different paper products have been developed by people.

22, Many difficult questions were asked us by him.

23, The road must be widened by them soon.

24, I was advised to reuse milk bottlesn by her.

25, These room is cleaned by my sister every day.

26, A lot of pollution has been caused by wastes.

27, When is his homework usually done by him ?

28, This tree was planted by my father.

29, The rubbish hasn’t been collected by him.

30, Are recycled paper being used?

31, We were made to work hard by them every day.

32, How can our fields be kept in good condition by us ?

33, A lot of question used to be asked his father by John when he was a child.

34, This road isn't used by people very often.

35, He wasn't helped do his homework.

36, A lot of trees will be grown by us in the parks.

37, When is his homewwork usually done by him?

38, Who was this poem written by?

39, Everything was thrown by her.

40, That book isn't liked reading.