All his attempts to unlock the door were , because he was using the wrong key.
#27426
A
in return
B
in vain
C
in doubt
D
in time
推荐题目
-----Haven’t you heard the news? -----What news? ----- Some of the workers are _______ while others are ______.
#28331
A
on the march, on strike
B
on march, on strike
C
on the march, on the strike
D
on the strike, on march
—Well, I have not made my decision yet. —So, __________________, we have to wait, right?
#27195
A
in other words
B
in my opinion
C
by the way
D
to tell the truth
When Mr. Smith took over the company, it was already heavily______ and had no money to pay the workers.
#25206
A
in danger
B
in relief
C
in debt
D
in return