My sister is a student .改为一般疑问句,肯定回答和否定回答

问题描述:

My sister is a student .改为一般疑问句,肯定回答和否定回答
My sister is a student .改为一般疑问句,肯定回答和否定回答 否定句.

Is your sister a student?Yes,she is.No,she isn't.My sister isn't a student.