----- Nội dung dịch tự động từ ảnh ----- A. to do B. for doing C. to be done D. be done 12.John promised that he .Grandfather the following week. A. will visit B. visited C. would visit D. has visited 13. Children should. to respect their elders. A. be teach B. be taught C. be teaching D. be teached 14. He .in prison since 1982. A. was B. was being C. has been D. will be 15. Jack „.his homework at 8 p.m yesterday. A. did B. was doing C. does D. is doing 16. Ann ....television when the phone rang. A. watches B. watched C. has watched D. was watching