问题
选择题
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
答案
答案：A
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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
答案：A