81.The television has been swiched off as it was making a lot of noise. (câu bị động)

82.He is capable of understanding the most difficult part in the lesson. (S + to be + capable of + V_ing : ai đó có thể làm gì)

83.She suggested me that I should select another programme. (câu tường thuật với suggest | S + suggest that +  S + should + V_inf)

84.People used to use fax machine to send and receive letters and pictures quickly. (S + used to + V_inf : ai đó đã từng làm gì)

85.This building is the biggest has been built for the homeless. (so sánh nhất)

86.Unless you don't see the game show,your father will be able to see his favorite play. (viết lại câu điều kiện laoij 1 với unless: Unless + S + V_HTĐ,S + will/can/shall + V)

81.the television has been switched off by him as it was making a lot of noise

82. he is capable to understand the most difficult part in the lesson.

83. she suggests that I should select another programme.

84. fax machine is used to send and receive letters and pictures quickly.

85. this building is the biggest one for the homeless.

86. unless you see the game show, you father will able to see his favorite play. 

nếu có gì sai bạn thông cảm nhé