III. Chuyển các câu hỏi bắt đầu bằng từ hỏi “H/WH” sau sang câu bị động 37. Why didn’t they help him? 38. How many games has the team played? 39. Where do people speak English? 40. Who are they keeping in the kitchen? 41. How can they open this safe? 42. What books are people reading this year? 43. How did the police find the lost man? 44. Who look after the children for you? 45. How long have they waited for the doctor? 46. What time can the boys hand in their papers? 47. Who lend you this book? 48. How many marks does the teacher give you? IV. Chuyển các câu có 2 tân ngữ sau sang câu bị động 49. They paid me a lot of money to do the job. 50. The teacher gave each of us two exercise books. 51. Someone will tell him that news. 52. They have sent enough money to those poor boys. 53. They have given the women in most countries in the world the right to vote.