—Where did you have the discussion with Professor Snow?—It was in the classroom ________ we had a biology lesson yesterday.
#67144
A
which
B
when
C
that
D
where
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—Where did you find our chemistry teacher? —It was in the lab ______ he was doing his experiment.
#67244
A
that
B
where
C
which
D
in which
7. You should put on the notices ______ all the people may see them.
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A
where
B
in which
C
at
D
for them