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—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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You can walk     the bridge      the river.
#49970
A
cross; on
B
cross; over
C
across; above
D
across; over
It’s very kind ______ you to show me the way.
#50436
A
for
B
with
C
of
D
to
--- All the clerks went home _____ Mr. Wang.  Why?--- Because he had to finish his work.
#47883
A
except
B
besides
C
without
D
beside
We have black shoes            only $28.
#46638
A
on
B
in
C
for
D
of
–How about going shopping this weekend, Peter?--Sorry. I prefer        rather than        .
#49918
A
to stay at home, go out
B
to go out, stay at home
C
staying at home, go out
D
going out, stay at home