能否分别举出fast作为形容词和副词的例子
问题描述：
能否分别举出fast作为形容词和副词的例子
答
It's so fast. adj.He couldn't think up the solution fast. adv.
能否分别举出fast作为形容词和副词的例子
It's so fast. adj.He couldn't think up the solution fast. adv.