Chuyển sang câu bị động 40. We told him not to be late again. → __________________________________________________________________ 41. Have you finished all the sentences above? → __________________________________________________________________ 42. They will pass the exam easily because they have studied hard. → __________________________________________________________________ 43. Mr. Obama is going to visit Vietnam next month. → __________________________________________________________________ 44. Parents should give children a lot of love. → __________________________________________________________________ 45. I have to finish my work now. → __________________________________________________________________ 46. You must do your task right now. → __________________________________________________________________ 47. They had finished doing their homework before they went to the movie theatre. → __________________________________________________________________ 48. Mary was waiting for him at the school yard. → __________________________________________________________________ 49. Anna and Jenny were cleaning the floor. → __________________________________________________________________ 50. Before going shopping yesterday, David had cleaned the kitchen. → _________________________