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Can you think of an occasion ______ you can use this gesture.
#33521
A
which
B
that
C
when
D
on that
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Who was it _______ wanted to see me just now?
#33118
A
whom
B
that
C
when
D
which
. Use your head，   you’ll have an idea.
#34383
A
or
B
and
C
but
D
so
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
______ you are at home alone, please don’t leave the door open.
#34707
A
While
B
As
C
Before
D
How