short|shorter

去公园只有很短的一段路。

It's only a ___short walk to the park.

我哥哥更高，但我比较矮。

My brother is taller, but I am ___shorter.

她昨天把头发剪短了。

She cut her hair ___short yesterday.

夏天白天长，冬天白天短。

Days are long in summer and ___short in winter.