---- Could I take a few days’ leave, sir?----- I’m afraid you can’t ___________ the work is being done.
#31862
A
until
B
before
C
after
D
as
推荐题目
Tom shut everybody out of the study ___ he could prepare for the coming exam.
#79751
A
which
B
when
C
so that
D
as if
To show our respect, we usually have to take our gloves off ______ we are to shake hands with.
#32576
A
whichever
B
whenever
C
whoever
D
wherever
_________ difficult and challenging the task may be, we must finish it on time, because there is a possibility _________we’ll be fired if we can’t fulfill the task on time．
#31669
A
Whatever; that
B
However; that
C
Whatever; which
D
However; as
We do jobs_____they need to be done and that could be early in the morning or late at night.
#34066
A
that
B
which
C
when
D
how
_______these coins are of different shapes, sizes and colors, they all date back to a long, long time ago.
#32529
A
Since
B
Unless
C
Once
D
While