强调句的特殊疑问句考题

强调句的特殊疑问句考题
 
请看下面的题，是考查强调句吗？它是强调句的什么形式？
“How was ______ they discovered the entrance to the underground palace?” “Totally by chance.”http://yingyu.chazidian.com
A. it that                           B. he that
C. it when                        D. he which
【陷阱】几个干扰项均可能误选。
【分析】答案选A，为强调句的特殊疑问句形式，其相应的陈述句形式为：
It was totally by chance that they discovered the entrance to the underground palace.
比较以下各题，它们也属强调句的特殊疑问句形式(from http://yingyu.chazidian.com)：
(1) Who was it _____ saved the drowning girl?
A. since      B. as                C. that          D. he
答案选C，被强调成分为 who，该句实为类似 It was Tom that saved the drowning girl. 这类强调句的特殊疑问句形式（即对其中的Tom 提问而得）。
(2) What is it _____ his daughter needs most?
A. what       B. which         C. that          D. if
答案选C，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）。