Our country did a lot about the drunk-driving, and it took some time ____ the situation got better.
#33201
A
after
B
since
C
unless
D
before
推荐题目
__________ you promise to come to help me,I don’t mind what time tomorrow you arrive at my place.
#80081
A
So long as
B
So far as
C
As good as
D
As well as
I have a tight budget for the trip, so I'm not going to fly _ the airlines lower ticket prices.
#31637
A
once
B
if
C
after
D
unless
Well, you can buy $20 tickets or 30 $ tickets, ______ you prefer．
#79736
A
which
B
whichever
C
whatever
D
what
Schools in the north tend to be better equipped, ______ those in the south are relatively poor.
#30796
A
as
B
unless
C
when
D
while