题目

What is it _____ his daughter needs most? A. what       B. which         C. that          D. if 答案：C 解析: 被强调成分为 what，该句实为类似 It is a bike that his daughter needs most. 这类强调句的特殊疑问句形式（即对其中的a bike 提问而得）。

查看本题答案和解析