You cannot take back your words _________ they are out of your mouth.
#30113
A
before
B
whether
C
once
D
while
推荐题目
Most whales must come up for air after several minutes, _______ a few can stay under water for an hour or more.
#33567
A
while
B
or
C
for
D
so
The cost of living in Glasgow is among the lowest in Britain, ______ the quality of life is probably one of the highest.
#33189
A
since
B
when
C
as
D
while
His best movie was about the life of Gandhi in India, ______ won several Oscar awards.
#30838
A
where
B
who
C
which
D
that
---- I wonder how much you charge for your services． ---- The first two are free ____ the third costs $30．
#32193
A
while
B
until
C
when
D
before
Keep yourself open we can experience the great joy that friendship can bring.
#30520
A
as if
B
so that
C
even though
D
ever since