21. She ……………………(go) to work by bus tomorrow.

22. They ……………………(buy) some new pen yesterday.

23. …………..you ……………………(see) the doctor next week.

24. Son ……………………(not watch) TV since he was ill.

25. Mai and Nam ……………………(go) to the movie theater for an hour.

26. They ……………………(plant) trees a long this street next month.

27. …………she ……………………(do) her homework yet?

28. My father ……………………(build) this house five years ago.

29. …………he ……………………(write) to his friend last week.

30. How long ……They …………….( be) doctor?

31. He often ………………(pick) his friend up at the rain way station this

morning.

32. She ………………(watch) a romantic film on TV this evening.

33. ……………you often ………………(do) your homework in the evening?

34. They ………………(go) to school by bike yesterday.

35. He ………………(not get) good grade this morning.

36. I ………………(read) an interesting novel at the moment.

37. ……………you ever ………………(watch) TV in the evening?

38. They always ………………(talk) to each other in the weekend.

39. She ……………often ………………(not go) shopping on weekend.

40. They ………………(play) soccer at the moment.

41. They ………………(not be) classmate.

42. ………….he ………………(be) your father?

43. …………..she ………………(listen) to music now?

44. Thanh and Hung ………………(read) a wonderful story at the moment.

45. Mai and Hang ………………(not play) the game at the moment.

46. I often ………………(wash) my clothes.

47. She ………………(not be) at home now.

48. ………….you often ………………(write) to your friend?

49. We ………………(meet) each other twice a month.

50. Mr. Mai ………………(water) the plant every morning.

51. He ………………(listen) to the telephone at the moment.

52. They ………….always ………………(not go) to the school by train.

53. He ………………(drink) beer at the bar at the moment.

54. They usually ………………(sing) in the early morning.

55. …………. My and Thanh ………………(talk) on the telephone now?

56. He ………………(not study) Math at the moment.