2.(2010年海淀区三模)
-It’s reported that the new underground line has been completed．
-Yes but it hasn’t been made clear it’s to be opened to traffic．
A．that B．who C．what D．when
答案：D
2010年联考题
1.(2010吉林市高三第二次市统考)
_______was known to us all that Johnson had broken his promise _______ he would
give each of us a small gift.
A. As ; which B. What ; that C. It ; that D. It ; which
答案：C. It 作形式主语，that引导同位语从句。
9.(08山东23)
was most important to her，she told me，was her family.
A.It B.This C.What D.As
答案 C
解析 what引导主语从句，同时又在从句中充当主语。
8.(08福建27)
is known to us all is that the 2008 Olympic Games will take place in Beijing.
A.It B.What C.As D.Which
答案 B
解析 分析题干结构“ is known to us all”是主语从句，从句中缺少主语，what引导主语从句，在从句中作主语。如果选it，需去掉all后的is;如果选as;需去掉is that。
7.(08浙江6)
Some children want to challenge themselves by learning a language different from ______ their parents
speak at home.
A. what B. that C. which D. one
答案 A
解析 句中的from缺少宾语，what既引导了宾语从句，又充当了speak的宾语。
6.(08重庆25)
People in Chongqing are proud of they have achieved in the past ten years.
A.that B.which C.what D.how
解析 what 引导名词性从句，同时充当achieved的宾语。
5.(08陕西8)
Tomorrow is Tom’s birthday. Have you got any idea the party is to be held?
A. what B. which C. that D. where
答案 D
解析 由句式结构可以判断 the party is to be held是get any idea的同位语，故空格处应为同位语从句的引导词，且该从句中句子成分完整，但语意不完整，故应选择D项，表示地点。
4.(08湖南29)
When asked they needed most，the kids said they wanted to feel important and loved.
A.what B.why C.whom D.which
解析 句意为：当被问到他们最需要什么时，孩子们说他们想让别人觉得他们是重要的，希望被爱。what引导宾语从句，且what在从句中作needed的宾语。
3.(08安徽29)
Students are always interested in finding out＿＿＿they can go with a new teacher.
A．how far B．how soon C．how often D．how long
解析 how far多远；how soon多久；how often多长时间一次；how long多长时间。
2.(08天津12)
The last time we had great fun was _____ we were visiting the Water Park.
A. where B. how C. when D. why
解析 由the last time可知是表示时间，故用when引导表语从句。