They are going to Dalian _________ a school trip in the summer holiday.
#48091
A
for
B
to
C
at
D
with
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It’s hard-working ____ him to spend three hours ____ the library on Sunday.
#47932
A
for; in
B
for; on
C
of; in
D
of; on
It is unhealthy _______ us to eat too much sweet food and it is wrong _______ us to buy sweet food every day.
#46374
A
of, of
B
for, of
C
of, for
D
for, for
—I’m not sure when the 6th national population census(人口普查)completed?—_______ November, 2010.
#50749
A
On
B
In
C
At
D
Of
Don’t read________ the sun, it’s bad________ your eyes.
#48670
A
under; for
B
in; for
C
for; in
D
at; in