The city is built _____ two rivers come together.
#73380
A
in which
B
which
C
where
D
that
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It was in the lab___was taken charge of by our teacher____ they did the experiment.
#74071
A
which; that
B
where; which
C
which; where
D
that;where
They have no idea at all ____.
#72409
A
what he is working on
B
what is he working on
C
what did he work on
D
what he is working