IV.25 I wish An was here

26 they told me that our teacher was sick

27 our project must be finished on time

28 she hasn't written this plaid for two weeks

29 I wish I could play the piano

30 she wishes she knew a lot of students in her class

31 a new style of clothes have just been introduced in Viet Nam

32 the zoo is going to be visited by his mother on Sunday

V.33 getting

34 was

35 haven't seen

36 isn't taking

37 caught

38 has already taken

VI.39 mary spend about two hours a day watching television

40 she enjoys watching sports programs and listening to music

41 many people go to the countryside to have a rest on weekends

42 Ba wishes he could have a new bicycle

VII.43 impressed

44 nationality

45 different

46 divided

VIII.47 is-> was

48 is she-> she was

49 can-> could

50 must->had to