helpme........Bạn tham khảo câu 51-59 nhé. Ngoài ra, bạn có thể ghé topic
[Lý thuyết] Câu bị động - HMF để ôn lại phần kiến thức này.
51. The information/ had been received/ by the delegates/ before the recess.
52. His homework/ had been finished/ by him/ before he came.
53. The passage/ has been written/ by them.
54. Trees/ have not been planted.
55. I know that he/ hadn't been told/ of the meeting.
56. A fight/ has been started/ by them.
57. The window/ hadn't been closed/ by me.
58. The paper/ hadn't been bought/ by them.
59. The problem/ has been solved/ by her/ before she met me.
Chúc bạn học tốt!