note|notes

我给他留了一张便条，告诉他会议改到下午三点。

I left him a ___note saying the meeting was moved to 3 pm.

我妈妈在冰箱上贴了一张便条，提醒我买面包。

My mum put a ___note on the fridge to remind me to buy bread.

你必须带一支铅笔、一些粉笔和一个大笔记本来记笔记和画画。

You have to bring a pencil, some chalk and a big notebook to take some ___notes and to draw in.