【题目】—Is that the teachers’ office? ( )
—_______
A.Yes, that is. B.Yes, it is. C.No, that isn’t.
【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。

【题目】—Is that the teachers’ office? ( )
—_______
A.Yes, that is. B.Yes, it is. C.No, that isn’t.
【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。