Question

【题目】—Is that the teachers’ office? ( )

—_______

A.Yes, that is.B.Yes, it is.C.No, that isn’t.

Answer 1

【答案】B

【解析】

句意：—那是教师办公室吗？—是的，它是。问句主语是that，答语主语要用it代替。故选B。