问题描述：
has some trouble____his classmates but he has no trouble___doing his lessons.
He has some trouble____his classmates but he has no trouble___doing his lessons.
A.with;with
B.with;in
C.in;in
D.in;with
求解 选哪个 为什么
He has some trouble____his classmates but he has no trouble___doing his lessons.
A.with;with
B.with;in
C.in;in
D.in;with
求解 选哪个 为什么
问题解答：
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