Bob never does his homework Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully D. as careful as [解析]答案:B.该题考查的是形容词和副词的用法比较.该空应填副词.因为它修饰的是动词does.该题用的是not as+副词+as的结构.所以答案应是B. 查看更多

 

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