1 ----- Nội dung dịch tự động từ ảnh ----- Câu 16: We heard her to her little brother yesterday evening. A. talked B. to talk C. talks D. talk ủa bạn: A B) Câu 17: My brother has stayed in America .. 4 months. A. for B. till C. by D. since ủa bạn: A B C D Câu 18: That child doesn't know the difference . right and wrong. A. at B. among C. between D. from ủa bạn: A B D Câu 19: Eating well is the key good health. ........ A. at B. to C. with D. against