He has some problems _________ his English learning.
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A
on
B
for
C
with
D
in
推荐题目
Playing too many computer games _______ students.
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is bad to
B
is bad for
C
are bad to
D
are bad for
You can have a good view of Nanjing at the top of Zijin Mountain ______ a clear day.
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at
B
on
C
in
D
for