—It’s not easy _________Mrs White to persuade（劝说）her husband to stop smoking. He never listens to others.—Really? It’s stubborn ____________ him.
#48110
A
of; of
B
for; of
C
for; for
D
of; for
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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