他们正在收集笔记本和书写纸的翻译：They are collecting notebooks and writing paper 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

They are collecting notebook and writing paper

They are collecting notebooks and writing paper

They are collecting the notebook and the writing paper

They are in the process of collecting notebooks and writing paper

They are collecting notebooks and writing paper