–Is it polite to speak or laugh loudly _________? –No, I don’t think so.
#45995
A
on time
B
at least
C
by chance
D
in public
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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
--Would you like some tea, please?--Yes, and I prefer tea _______ some sugar.
#46226
A
to
B
for
C
with
D
From
Liu Mei is short. So she sits _______the class.
#50681
A
in the front of
B
in front of
C
in the front
D
behind