Don’t stop working _____ twelve.
#58157
A
to
B
at
C
when
D
until
推荐题目
We can talk with friends on the Internet _______ it’s easier and cheaper.
#58260
A
though
B
as
C
or
D
but
Many students didn’t realize the importance of study _______ they left school.
#57914
A
when
B
until
C
after
D
unless
_______hard work it is! And__________should I do to complete it well?
#55452
A
What a, how
B
What, what
C
How, what
D
What, how
In old China, the poor suffered from cold and hunger ________ the rich enjoyed all the good things of life.
#55524
A
as
B
when
C
while
D
therefore