It is in this laboratory ______ is run by Mr. Wu ______ the experiments are done.
#85126
A
which; that
B
that; which
C
where; that
D
that; where
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Is ________48 hours________ the man- made satellite ________ is made in our country to orbit the planet around?
#85134
A
it; that; where         
B
it; when; what
C
it for; that it takes; that
D
it; that it takes; which
It was last night ________ I saw the comet.
#84749
A
the time
B
when
C
that
D
which