At the party，John made up a joke，________ people burst out laughing.
#75607
A
on which
B
by which
C
at which
D
from which
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(2013·东北四市一模)After visiting Harbin, most of the foreign friends said they would never forget the time ________ they had spent.
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A
that
B
what
C
when
D
at which
Saving and recycling are long-term projects _______ determination matters a great deal.
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A
that
B
which
C
whose
D
where
Nowadays, many women, ________some are not overweight at all, are always going on diets or taking weight-loss pills, ________ are often dangerous.
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A
of whom; which
B
of which; who
C
whose; which
D
who; that