----- Nội dung dịch tự động từ ảnh -----
29. References _____ in the examination room.
A. not are used B. is not used
30. Laura _____ in Boston.
A. are born B. were born
31. His car needs ________.
A. be fixed B. fixing
32. Her watch needs ________.
A. repairing B. to be repaired
33. My mother is going _____ this house.
A. sold B. sell
34. There's somebody behind us. I think we are ________.
A. being followed B. are followed
35. Have you _____ by a dog?
A. bite B. bit C. ever been bitten