(2013·潍坊高考模拟)Air pollution is getting more and more serious，so we must take action________it is too late.
#30055
A
before
B
after
C
until
D
when
推荐题目
_______ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
#79936
A
That
B
What
C
Despite what
D
Though what
He asked me just to sit down and drink some water ____ I could say anything about my travel plan.
#33155
A
while
B
when
C
if
D
before
It would seem to be a general truth__________ nothing is as straightforward as it at first seems.
#31105
A
that
B
when
C
what
D
if
____ invited, I won’t take part in such kinds of parties.
#33463
A
Apart from
B
In spite of
C
Even if
D
Only if
Why do you insist on buying a car ______ you have such good public transportation here?
#30138
A
because
B
unless
C
when
D
though