----- Nội dung dịch tự động từ ảnh ----- IV. Find and corect the mistakes. (1p) 1. The classroom is so dirty. Let's cleaning it now. A C 2. They haven't decided to buy that house, but it is very expensive. A 3. Lan is the elder among the three children, so she has to cook when her parents are away. A C 4. Have you and your classmates finished your homework already? A. C D
