题目内容
My sister has some trouble ______spelling some of the words in American English, while I have some difficulty ________ my pronunciation.
A.with; with B.in; with C.with; in D.in; in
B

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题目内容
My sister has some trouble ______spelling some of the words in American English, while I have some difficulty ________ my pronunciation.
A.with; with B.in; with C.with; in D.in; in
B