---May I borrow your book Steve Jobs ? --- ________ you return it before Friday.
#30658
A
If only
B
Unless
C
On condition that
D
Now that
推荐题目
—How long do you think it will be ________ we win the football World Cup? —Perhaps twenty years.
#33546
A
when
B
since
C
that
D
before
Many young people don't work hard, and regret it later when the opportunity is gone.They only realize it________it is too late.
#30659
A
when
B
before
C
in case
D
until
-- I am going to Sidney for further studies next month.-- That’s fantastic. Can you keep emailing me ______ you are there?
#33153
A
though
B
because
C
until
D
while
____ you know your potential（潜力）, you have to rely on many other people to get to where you are.
#34342
A
While
B
Since
C
If
D
Where
--- Did you enjoy the party last weekend at Peter’s home? --- Oh, sure. It has been years _______ I last enjoyed myself like that.
#33492
A
since
B
before
C
until
D
when