Finish each of the following sentences in such a way that it means the same as the sentence printed before it.
86. Peter hasn’t had his hair cut for over 3 months.
@ It is over………………………………………………………………………………………………………
87. People will only become aware of the problem if you increase the publicity……………….
@ Only if ………………………………………………………………………………………………………..
88. Scientists have tried very hard to find a cure for AIDS.
@ Enormous…………………………………………………………………………………………………….
89. Success depends on hard work.
@ The harder……………………………………………………………………………………………………
90. If you changed your mind, you would be welcomed to join our class.
@ Were you…………………………………………………………………………………………………….
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86. It is over 3 months since Peter last had his hair cut.
87. Only if you increase the publicity will people become aware of the problem.
88. Enormous efforts have been made by scientists to find a cure for AIDS.
89. The harder you work, the more successful you are.
90. Were you to change your mind, you would be welcomed to join our class.
86. It is over three months since Peter last had his hair cut.
( It is [time] since sb did sth: đã bao lâu kể từ khi ai đó làm điều gì)
87. Only if you increase the publicity will people become aware of the problem.
(Đảo ngữ: Only if [clause] aux V [clause]: Chỉ khi… thì)
88. Enormous effort has been made to find a cure for AIDS.
(Các nhà khoa học đã rất cố gắng tìm ra cách chữa khỏi bệnh AIDS.=Những nỗ lực to lớn đã được làm ra để chữa khỏi bệnh AIDS)
89. The harder you work, the more successful you are.
(The comparative + clause , the comparative+ clause: Càng…càng…)
90. Were you to change your mind, you would be welcomed to join our class.
(Cấu trúc đảo câu điều kiện loại 2: Were S to V, S would V)