他的长篇演讲不时被观众的提问打断。

His long speech was ___punctuated by occasional questions from the audience.

老师让我们在作文中正确使用标点符号。

The teacher asked us to ___punctuate our essays properly.

她的红色围巾在人群中格外显眼。

Her red scarf ___punctuated the crowd with its vibrant color.