Cho dạng đúng của từ trong ngoặc

20. Tuan (have).............................. a new bike yesterday.

21. She (not buy).................................. a new ruler yesterday.

22. He (not talk)................................. with his parents about his vacation in Da Lat last year.

23. They (not come).................................. school yesterday.

24. The windows (not close)............................ yesterday.

25. We (not return)...................................... at home at 7 pm last Monday.

26. She (not eat)............................................. fish and crab yesterday.

27. Lan (not go)................................. Ho Chi Minh city two years ago.

28. My parents (not take)................................. to Vung Tau last week.

29. We (not have)...................................... a lot of friends in Ha Noi.

30………… Lan and Hoa (be).................................... your school two years ago?