Cuuuu ----- Nội dung ảnh ----- 11. "You must do your homework every day". 12. "We will go to the cinema with our parents", Nga and Ba said. 13. "The twins can't go to school today because they're ill." 14. "I won't be home this evening because I have to work late" Peter said. 15. "You can sit here if you want". The steward said. 16. Giải: "Bạn có thể ngồi đây nếu bạn muốn".