It was several minutes ____we realized what was happening-our dog was trapped in a newly-dug tunnel.
#30154
A
since
B
before
C
until
D
while
推荐题目
A small car is big enough for a family of three ____ you need more space for baggage.
#79792
A
once
B
because
C
if
D
unless
The _____ you make, the _____ you will make.
#30387
A
more efforts ; greater progress
B
greater progress ; greater efforts
C
more efforts ; more progresses
D
many more efforts ; much progress
It is uncertain _______ side effect the medicine will bring about,although about two thousand patients have taken it.
#32917
A
that
B
what
C
how
D
whether
Some people like coffee, _____others like tea. It’s all a matter of personal taste.
#31429
A
which
B
however
C
what
D
while
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