41. He often catches a train to work.
42. They are planting trees over there at the moment.
43. My old friend Manh wrote to me last year.
44. Where does she buy her breakfast every morning?
45. He often doesn't phone me.
46. Mrs.Green always takes a bus to work. But now she drives to work.
47. Look! The ball is falling down.
48. He watered the trees 30 minutes ago.
49. She isn't listening to the radio now.
50. He is playing table tennis at the moment.
51. Mo and Nguyen are singing the same song now.
52. They always make noise in the class.
53. Hung often doesn't go camping in the summer.
54. Hanh isn't reading with the friends at the moment.
55. Son wrote to their friends last summer holiday?
56. Kien and Tuyen are being good students.
57. She is going to work by bus tomorrow.
58. Do you see the doctor next week?
59. They are planting trees along this street next month.
60. Mai and Nam are going to the movie theater tomorrow evening.
61. He often picks his friend up at the train way station in the morning.
62. He is writing to his friend next week.
63. Do you often do your homework in the evening?
64. He is watching a romantic film on TV tonight.
65. I am reading an interesting novel at the moment.
66. They always talk to each other in the weekend.
67. Are you often writing to your friend last year?
68. She isn't being at home now.
69. Mr.Mai is watering the plant.