When solving the problem a second time, you’d better be more careful ________ you made a mistake.
#31097
A
in case
B
where
C
in which
D
that
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
Perseverance is a kind of quality, and that’s ______ it takes to do anything well.
#33530
A
what
B
that
C
when
D
why
Many of them turned a deaf ear to his advice, they knew it was useful.
#31816
A
as if
B
now that
C
even though
D
so that、
I don’t believe we’ve met before, ________ I must say you do look familiar.
#31797
A
therefore
B
although
C
since
D
unless