我们没有勺子，所以用树枝临时做了一个。

We didn't have a spoon, so we ___improvised one from a tree branch.

演员们没有剧本，完全即兴表演了整场戏。

The actors ___improvised the entire play without a script.

停电时，她用蜡烛和玻璃杯临时做了一个灯。

During the power outage, she ___improvised a lamp using candles and a glass.