题目内容
句型转换。
Mary is good at music.(同义句)
Mary ________ ________ ________ music.
Mary isn't a doctor. Jack isn't a doctor, either.
_____ Mary _______ Jack ________ a doctor.
Mary and Jack are reading books at home.(改为否定句)
Mary and Jack ________ ________ books at home.
Mary sits in the middle of the classroom.
________ ________Mary ________?