There is a new problem involved in the popularity of private cars________road conditions need________.
#31999
A
that；to be improved
B
which；to be improved
C
where；improving
D
when；improving
推荐题目
—How do you think I can make up with Jack?—Set aside ________ you disagree and try to find what you have in common.
#30321
A
what
B
where
C
whether
D
which
_______ didn't attend the lecture yesterday won't be given full marks.
#30310
A
Any one
B
Whoever
C
Who
D
The person
_______environmental damage is done, it takes many years for the ecosystem to recover.
#31390
A
Even if
B
If only
C
While
D
Once
Jack had traveled six miles across the Channel _____his engine failed and was forced to land on the sea .
#80111
A
when
B
until
C
after
D
since
Then I have learned there are a lot of troubles in our lives, but the problem is __________ they control you or you control them.
#34646
A
why
B
whether
C
that
D
what