Chia động từ trong ngoặc 
50 .Look! The ball ……………………(fall) down.
51.       He usually ……………………(water) the trees in the morning.
52.       She ……………………(not listen) to the radio now.
53.       The sun …………(rise) in the East and …………. (set) in the West.
54.       He ……………………(play) table tennis at the moment.
55.       Mo and Nguyen ……………………(sing) the same song now.
56.       They always ……………………(make) noise in the class.
57.       Hung …………. often ……………………(not go) camping in the summer.
58.       Hanh ……………………(not read) with the friends at the moment.
59.       …………Son ……………………(write) to their friends every summer holiday?
60.       What ………….you ………………..(listen) on the radio now?
61.       Listen! Someone ……………………(cry).
62.       Kien and Tuyen ……………………(be) good friends.
63.       She ……………………(go) to work by bus tomorrow.
64.       …………..you ……………………(see) the doctor next week.
65.       Mai and Nam ……………………(go) to the movie theater tomorrow evening.
66.       They ……………………(plant) trees a long this street next month.
67.       …………he ……………………(write) to his friend next week.
68.       They …………….(not be) doctor.
69.       He often ………………(pick) his friend up at the rain way station morning.
70.       She ………………(watch) a romantic film on TV this evening.
71.       ……………you often ………………(do) your homework in the evening?
72.       I ………………(read) an interesting novel at the moment.
73.       ……………you usually ………………(watch) TV in the evening?