Question

【题目】 Is the woman _______ singing in the hall you music teacher?

Oh, it ________ be her. She is ill at home today.

A. who are; must B. whom is ; can`t

C. who is ; can`t D. whom are; must

Answer 1

【答案】C

【解析】

试题分析：句意：那个在大厅里唱歌的女人是你们的音乐老师吗？--喔，肯定不是她。她今天生病在家。在定语从句中引导词总是和先行词在数上保持一致。根据先行词是woman，所以定语从句中的系动词用is。根据引导词在从句中做 主语，故选C。