as和as中间是填原型,但是careful和carefully应该选添那个 或者别的更多这样的例子

as as 中间加形容词或副词原级 这就取决于前面的那个词 当前面是be动词时,用形容词原级；当前面是动词时,用副词原级.
例：Lin Ying is not as good at sports as her sister .
He runs as fast as he can .