Câu IX. Hoàn chỉnh cầu thứ hai sao cho không thay đổi nghĩa so với câu đã cho. (1,2 điểm) 1. How many trees have they cut down to build that fence? → How many trees have been 2. "Are you going to leave for Hanoi?" Mai said to Son. → Mai asked 3. Read the instructions carefully or you may misuse it. -If you 4. Laura last went on a picnic two months ago. -Laura 5. Minh is a stronger swimmer than his elder brother. → Minh swims 6. Despite his regular exercise, Tom is overweight. - Although Washing, Wedd