The old professor, to_______ the important invention _______, decided not to keep it for himself, but to make it known to all over the world.
#70132
A
whom; was belonged
B
which; belonged
C
whom; belonged
D
which; was belonged
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If it ________ rain tomorrow, we’ll go to the zoo.
#41082
A
won’t
B
doesn’t
C
don’t
D
isn’t
The hall __ we saw the film was very clean.
#71573
A
that
B
which
C
in which
D
in that