His mother often helps him ___ English so he does better ___ English than others.

A. with; in
B. on; in
C. in; with
D. with; at
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科目:初中英語 來源:專項題 題型:單選題

His mother often helps him ___ English so he does better ___ English than others.
[     ]
A. with; in
B. on; in
C. in; with
D. with; at

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