He often practices English chatting with his pen pal in Australia.
#48940
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by
B
in
C
with
D
for
推荐题目
--It’s clever _____ you to help me work out this difficult maths problem. Thanks.--- You are welcome. Now it’s easier ______ you to understand it.
#47375
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of; of
B
of; for
C
for; of
D
for; for
Judy failed in this exam, since she is very strict ____ herself. She is sad.
#46515
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in
B
for
C
with
D
at