----- Nội dung ảnh ----- III. Chia động từ thì hiện tại hoàn thành.
1. I have not worked today. 2. We (buy)............a new lamp. 3. We (not/ plan)............our holiday yet. 4. Where (be/ you)? 5. He (write)............five letters. 6. She (not/ see)............him for a long time. 7. (be/ you)............at school? 8. School (not/ start)............yet. 9. (speak/ he)............to his boss? 10. No, he (have/ not)............the time yet.