A. supply the correct form of the verbs in parenthese:
1.How often Lien (practise) the piano in the club ?
-She (go) there twice a week.
2.Nam often (help) old people in his freetime.
3. Last summer, we (not travel) to Can Tho because my brother (be) sick.
4. What about (collect) the waste paper?
5. The sun (rise ) in the east. Now it (set) and night (fall).