Though having discussed it for long, they still haven't reached an agreement ________ they should pour more money into the project.
#30082
A
whether
B
if
C
that
D
what
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—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
Many young people don't work hard, and regret it later when the opportunity is gone.They only realize it________it is too late.
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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?
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though
B
because
C
until
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while
____ you know your potential（潜力）, you have to rely on many other people to get to where you are.
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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
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since
B
before
C
until
D
when