when we speak to people ,we should be __A.as polite as possible B,as politely as possible 应选哪...when we speak to people ,we should be __A.as polite as possible B,as politely as possible 应选哪个?并解释为什么

问题描述:

when we speak to people ,we should be __A.as polite as possible B,as politely as possible 应选哪...
when we speak to people ,we should be __A.as polite as possible B,as politely as possible 应选哪个?并解释为什么

A
we should be polite :be动词后面接形容词