Chuyển câu sang bị động 27. He will meet you at the airport. ng You must explain this custom to him 29. The teacher has told all the details of the case. 30. One drinks a lot of tea in England. 31 You didn't tell him anything about that, did-you? 32. People believe that he has died of cancer. 33. They gave up the search after 3 hours. 34. He has finished that experiment. 35. People don't learn languages in a short time. 36. He has to pay the bills before the fifth of the month. 37. You ought to water these plants once a week. 38. Everyone is sure to check the documents monthly. 9. The boy screamed while the dentist was pulling out one of his teeth. 40. The child knew that they were praising her. 41. No one has opened that box for the past hundred years. 1559