5. It will be very difficult to persuade them to leave early.
It is difficult (for s.b) + to_V: rất khó để làm việc gì đó
6. If I were you, I would use less paper to protect the environment. (If loại 2)
17. Không thấy hết đề
18. The prospect of moving to a new flat on the outskirt of Ha noi cheered me up.
cheer s.b up: làm ai đó phấn khởi lên
19. It was generous of her to donate all her money to the flooded area.
generous of s.b to_V: