IV. Give the correct form of the verbs in brackets to complete the sentences. (1 pt)
1. You (celebrate) …….…. your grandparents’ anniversary last week?
2. Nomadic children (not see) ……… many people from the outside world.
3. Hung King Temple Festival (become) ….. a public holiday since 2007.
4. Computers should (use) ………….…... for a limited time.
IV. Give the correct form of the verbs in brackets to complete the sentences. (1 pt)
1. Did you celebrate
-> thì Quá Khứ Đơn , dấu hiệu : last week
-> Did + S +V-inf + O ?
2. don't see
-> ko có dấu hiệu => thì HTĐ
->S +don't/doesn't +V-inf +O
3.has became
-> thì Hiện Tại Hoàn Thành ,dấu hiệu : since 2007
-> S +has/have +Vpp +O + time
4.use
-> S + should /should not + V-inf +O