变一般疑问句Mike goes to school on foot every day.There is some wa
变一般疑问句Mike goes to school on foot every day.There is some water in his bottle. Mary did her homework at home yesterday.He was a student two years ago.She will write to me tomorrow.
Does Mike go to school on foot every day?Is there some water in his bottle?Did Mary do her homework at home yesterday?Was he a student two years ago?Will she write to me tomorrow?