在需要时，帮助总是近在手边。

Help is always close ___at ___hand in times of need.

我更喜欢手边有一个笔记本做快速笔记。

I prefer to have a notebook ___at ___hand for quick notes.

截止日期临近，所以我们必须加快速度。

The deadline is ___at ___hand, so we must hurry.