他用一块干净的手帕擦了擦鼻子。

He wiped his nose with a clean ___handkerchief.

那部悲伤的电影让她伸手去拿手帕。

The sad movie made her reach for her ___handkerchief.

我口袋里总是带着一块手帕，以备不时之需。

I always carry a ___handkerchief in my pocket in case I need it.