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
推荐题目
Do you know Hawking does not like about his speech computer?
#84920
A
that it is what
B
what it is that
C
it is that what
D
what is it that
It was not until I came here ________I realized this place was famous for not only its beauty but also its weather. (2012·湖南，30)
#84697
A
who
B
that
C
where
D
before
It is not how much money you will give us but that you are present at the ceremony really matters..
#85254
A
which
B
it
C
what
D
that
It’s the gases ___ natural gas and the burning of coal give off ____ add to the overheating of the earth.
#85172
A
that; what
B
that; that
C
which; which
D
that; which
The owner still doesn’t know _______ broke into the house and stole the money.
#84679
A
when it was that
B
who it was that
C
who was it that
D
when was it that