语法词汇练习 语法大全 语法详解 英语听力 
 When I try to understand _______ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.
#85435
A
why it does
B
what it does
C
what it is
D
why it is
下一题
推荐题目
It was lack of money, not of effort, ________ defeated their plan.
#46998
A
which
B
as
C
that
D
What
It was about 600 years ago __________ the first clock was made.
#85410
A
that
B
until
C
before
D
when
When was it            you met him in the library?
#85030
A
as
B
that
C
while
D
if.
It was at that school ______ he realized his dream ______ he was going to be a teacher.
#85323
A
that; which
B
that; that
C
where; that
D
where; which
It was on November 15, 2010 ______ a big fire happened in Shanghai, ______ was a great shock to lots of people.
#84930
A
when; that
B
that; when
C
which; when
D
that; which