Bob never does his homework_________Mary.He makes lots of mistakes.选A.as carefully as,为什么?为什么不选as careful as

Bob never does his homework_________Mary.He makes lots of mistakes.选A.as carefully as,为什么?为什么不选as careful as
Bob never does his homework_________Mary.He makes lots of mistakes.选A.as carefully as,为什么?
为什么不选as careful as

Bob never does his homework_________Mary.He makes lots of mistakes.选A.as carefully as,为什么?为什么不选as careful as
空白处所缺的词是修饰动词短语does his homework的,应该用副词.另外,表示“某人做事不如某人细心”应用“not as carefully as”这样的结构.