改错；look who is they waiting for?He is talk to the doctor at the moment?
问题描述：
改错；look who is they waiting for?He is talk to the doctor at the moment?
改错；lots of students running in the park now.IS your sister working in a computer company?my mother and I am talking about our coming vacation .
答
look !who are they waiting for?He is talking to the doctor at the moment?lots of students are running in the park now.Does your sister work in a computer company?my mother and I are talking about our ...