EX14: Viết lại câu thành dạng câu bị động 51. I am translating an article into Vietnamese. …………………………………………………… 52. People said he had swallowed a safety pin. ……………………………………………………… 53. Someone is following me. ……………………………………………………………………… 54. The State will assign our students to different jobs. …………………………………………… 55. She read the letter again and again last night. ………………………………………………… 56. This is the first time they have written to us about this. ……………………………………………………………………………………………………. 57. How many lessons are you going to learn next month? …………………………………………………………………………………………………… 58. Someone had invented electric lights before I was born. ……………………………………………………………………………………………………. 59. People know that Japan produces a wide range of cars. ……………………………………………………………………………………………………. 60. Before they took exams they had revised their lessons. ……………………………………………………………………………………………………