I had been looking for the book for two days _______ I found it at last.
#30963
A
until
B
when
C
while
D
before
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Yao Ming has retired from the NBA, the pleasure we have got by watching him play basketball at home and abroad will last long．
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A
Although
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If
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'Since
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Once
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#80632
A
whether
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when
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as long as
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—I’m going to the post office.— you’re there, can you buy me some stamps?
#31507
A
Because
B
While
C
As
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If
—I still haven’t decided whether to go or not.—But your time is running out. Please make up your mind ______ it is too late.
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A
when
B
since
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until
D
before
__________ your argument, I shall hold to my decision.
#30028
A
Whatever
B
Whenever
C
Whichever
D
Wherever