Giải thích giúp em câu 9 luôn vs ạ 7 “ Your kids are very cute” ( “____________________” A. Aren’t they ? B. I don’t think so, either. C. Do you think so? Thanks. D. No, problem. 8. “ What happened to John?” ( “__________________” A. It was five o’clock. B. He was very tall. C. He had a car accident. D. He was a student. 9. The teacher has _______every effort to help the disabled children. A. done B. had C. made D. taken 10. At home, he was very respectful and _______ to his parents. A. obey B. obedient C. obedience D. obediently 11. The boy waved his hands to his mother, who was standing at the school gate, to ____ her attention. A. attraction B. attractive C. attract D. attractiveness 12. We have decided to ………..the birth control program all over the country. A. implement B. raise C. follow D. compete