Bài 1 : Chia động từ thì hiện tại hoàn thành:
1. We (buy) ........... new lamp.
2. We (not/plan) ............. our holiday yet.
3.Where (be/ you)?
4.He ( write).............. five letters.
5. She(not/see)...............him for a long time.
6. (be/you)................at school?
7. Shool(not/start).......yet.
8.(speak/he).............to hí boss?
9. No,he(have/not)...........the time yet.