【题目】Mary’s favourite subject is Biology. And she is ________ it. （ ）
A. well in B. well at C. good at D. good in
【答案】C
【解析】
略
【题目】Mary’s favourite subject is Biology. And she is ________ it. （ ）
A. well in B. well at C. good at D. good in
【答案】C
【解析】
略
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