EXERCISE 2. HÃY CHO BIẾT TỪ ĐỒNG NGHĨA HOẶC GẦN NGHĨA, TỪ TRÁI NGHĨA C...

70. People say that prevention is better than cure.A. It is said that prevention is better than cure. B. Prevention is said to be better than cure.C. Prevention is to have said to be better than cure. D. A and B are correct.