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---Did you write an e-mail ____ your online friend yesterday?---Yes. But I didn’t hear ____ him.
#47905
A
from; to
B
to; of
C
to; to
D
to; from
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David went to buy some stationery       souvenirs（纪念品）      my cousin.
#46240
A
for; for
B
as; as
C
for; as
D
as; for
It’s not good for young students to stay ____ late at night.
#49965
A
off
B
in
C
out
D
up
No smoking, please. It’s ____ the rules.
#48628
A
against
B
for
C
on
D
at
My bike is broken, so I have to go to school _________ my mother's.
#46304
A
by
B
in
C
on
D
with
We have had several visits ______the famous nature zoo.
#46229
A
for
B
to
C
forward
D
against