Tiếng Anh Lớp 8: 15. He(not,have) an accident if he had not been driving so fast. 16.If she (write) more carefully, she might not have made too many mistakes. 17.you would have to stay in bed unless your health (improve). 18.Did she have more practice she (speak )English bettter. 19. Had I known that she was sick , I (visit) her. 20.Supposing World War III (happpen),human civilization (be) destroyed., giúp em giải bài này ạ, em cảm ơn thầy cô và các bạn nhiều.
