◎ 题干
— Marcia is good             speaking.
— Yes, and she can do better             math.
[     ]
A.at, at
B.in, in
C.in, at
D.at, in
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Marcia is good speaking. — Yes, and she can do better math. [ ]A.at, at B.in, in C.in, atD.at, in …”主要考查了你对  【介词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。