副词本身要用副词来修饰，如：
He is a very careful driver.He drives his car carefully.He drives his car very carefully.总之，副词可以修饰动词和形容词，也可以修饰副词。
副词本身要用副词来修饰，如：
He is a very careful driver.He drives his car carefully.He drives his car very carefully.总之，副词可以修饰动词和形容词，也可以修饰副词。
