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I cannot hear the professor clearly as there is too much noise ________ I am sitting.
#31189
A
before
B
until
C
unless
D
where
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 Life is ten percent ________ happens to you and ninety percent ________ you respond to it.
#30338
A
which; how
B
what; what
C
that; that
D
what; how
Our country did a lot about the drunk-driving, and it took some time ____ the situation got better.
#33201
A
after
B
since
C
unless
D
before
Livemocha.com is a free site ______visitors can not just learn various languages but also chat online. 
#30884
A
where
B
which
C
that
D
what
-----“How long have you stayed in this hotel?”----- “Not long, just ______ this Monday.”
#80015
A
on
B
since
C
until
D
after
___________there are many different types of food, some animals spend their lives eating only one type.
#31689
A
Since
B
Unless
C
Once
D
While
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