—How long do you think it will be ________ we win the football World Cup? —Perhaps twenty years.
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A
when
B
since
C
that
D
before
推荐题目
___________you try to do something beyond what you have already mastered, you will never grow.
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A
Since
B
When
C
Though
D
Unless
__ __ many Chinese women have received higher education, there are still obstacles that prevent them from enjoying the same opportunities for education and employment as men．
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A
Whether
B
Because
C
When
D
Although
Liping works very hard at his lessons .He didn’t get the first place in the exam ,_______.
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A
though
B
yet
C
however
D
although
Mom，don’t you think it's OK to play once in a while ____________ it doesn’t affect my studies?
#30096
A
even if
B
unless
C
so that
D
as long as