This one?one为不定代词,指代book,避免重复.one还可以做( )词.

问题描述:

This one?one为不定代词,指代book,避免重复.one还可以做( )词.

(数) 词什么是数词?表示数量或顺序的词就是数词(数词分为基数词和序数词);基数词:one ,two , three ,four ....; 序数词:first , second , third ,fourth....