Giúp e 10 cầu này với ạ, cảm ơn mng nhiềuu

56. It is in autumn that the countryside is most beautiful. -> câu chẻ: it be + thành phần nhấn mạnh that S V

57. It was the students who asked the teacher for his explanation for the problem. -> it be +....+ who..

58. It was Nam who was prevented from going to work by the thick fog. -> it be....who....

59. They think that I should do volunteer work. -> should V: nên làm gì

60. We must do well at school. -> must V: phải làm gì

61. This rumour must have been started by our opponents. -> must have been V3/ed: ắt hẳn đã được/bị

62. You mustn't use your cell phone in class. -> mustn't V: không được phép làm gì

63. Tom ought to see the doctor as his cough is terrible. -> ought to V: nên làm gì

64. Harry can't have enjoyed his holiday because he looked disappointed. -> can't have V3/ed ~ không thể là đã

65. He may have learned German when he was a child. -> may have V3/ed: có thể đã