Chia thì hiện tại hoàn thành đúng k ạ?
1. I have not worked today.
2. We (buy)........have bought......a new lamp.
3. We (not/ plan)......have not planned........our holiday yet.
4. Where (be/ you) have you been?
5. He (write).......has written.......five letters.
6. She (not/ see)........has not seen......him for a long time.
7. (be/ you).....Have you been.........at school?
8. School (not/ start)......has not started........yet.
9. (speak/ he)......Has he spoken........to his boss?
10. No, he (have/ not)....has not had..........the time yet.