(2014·皖南八校联考)________ Yao Ming has retired from the NBA，the pleasure we have got by watching him play basketball at home and abroad will last long.
#30037
A
Although
B
If
C
Since
D
Once
推荐题目
Remember that you won't be able to cancel the contract ____you've signed.
#80351
A
before
B
until
C
once
D
though
(2013·高考北京卷)Don’t turn off the computer before closing all programs，________you could have problems.
#30670
A
or
B
and
C
but
D
so