我正在给订书机装订书钉。

I am loading ___staples into the stapler.

面粉和糖是我们厨房里的主食。

Flour and sugar are the main ___staples in our kitchen.

米饭和面条是中国人饮食中的主要主食。

Rice and noodles are the ___staples in Chinese cuisine.

她办公室里的文件都是用订书钉固定的。

The papers in her office are held together with ___staples.