题目内容：

there is not an apple on the desk 的同义句
There isn't an apple on the desk.（填一词）
There is -------------------------apple on the desk.

优质解答

There isn't an apple on the desk.（填一词）
There is ---------no----------------apple on the desk.

追问：

为什么不是none

追答：

none的意思是no one 这里要么就用not one 要么就用no，用no one就有些不伦不类啦