In fact, I wonder _________ my efforts were all in vain.
#30844
A
that
B
which
C
why
D
where
推荐题目
His father got him a job in a bank but soon it became clear he was not fit for that kind of work．
#32364
A
why
B
what
C
whether
D
that
(2013·宁夏银川一中高三第四次考试)________ scores of times, but he still couldn't understand it.
#30539
A
Having explained
B
Having been explained
C
Though it was explained
D
It was explained
John thinks it won’t be long __________ he is ready for his new job.
#31238
A
when
B
after
C
before
D
since
You can’t complain of being lonely you don’t make any effort to meet people．
#33135
A
until
B
when
C
once
D
though
It's important to learn how the whole system works. Sometimes, ________， it's the details that interest us the most.
#32141
A
therefore
B
meanwhile
C
furthermore
D
though