—What do you think of genetically modified food (转基因食品)? —We all think ______ is careless ______ some scientists to say it is safe before doing any experiment.
#47017
A
that, for
B
it, for
C
it, of
D
that, of
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-----Why do people kill the whales ?-------- They kill the whales _______ the meat , fat and oil .
#45945
A
for
B
of
C
to
D
with
--Which floor do you live_____? --The first floor. And I live ________Room 2046.
#48041
A
on; in
B
on; on
C
in; on
D
in; in