1) Oranges (be)...................................rich in vitamin C.
2) My brother (drive)................................his friend’s car yesterday.
3) We (not see)……………………….. your son since 2005.
4) Nga likes (play)...................................badminton.
5) Vegetarians (not eat)...................................meat or fish.
6) Last month my friend (send)................................me her photograph.
7) I (not meet) ...................................him for a week.
8) When I’m tired, I enjoy (listen)...................................to music.
9) Water (boil)...................................at 100°C.
10) I (write)................................a letter to him three weeks ago.
11) In 1997, my father (study) ...................................at Harvard University.
12) He is used to (live)...................................alone.
13) The sun (rise)...................................in the east.
14) I (eat)................................nooddles with my friends last night.
15) They (know) ...................................to each other for a long time.
16) You should spend your free time (help)...................................your mother.
17) Hoa’s mother (go)...................................shopping everyday.
18) It (rain)................................last night.
19) Dung (take) ...................................part in this club since 2007.
20) My mother hates (eat)...................................meat.
