We shouldn’t drink _______ we drive and we mustn’t drive if we’ve drunk.
#75969
A
unless
B
before
C
until
D
while
推荐题目
John felt very embarrassed ________ he entered the government hall.
#30995
A
for the moment
B
the first time
C
for the first time
D
at the moment
Peter was so excited _______he received an invitation from his friend to visit Chongqing.
#80546
A
where
B
that
C
why
D
when
You shall get a film ticket free _______ you use your credit card twice this month.
#31867
A
until
B
since
C
if
D
unless
One more month，________these baby birds will fly out of their nest.
#80196
A
or
B
and
C
but
D
otherwise