我用填充剂修补了墙上的小洞。

I used ___filler to patch up the small holes in the wall.

这篇文章里有很多填充内容，只是为了凑字数。

This article contains a lot of ___filler just to meet the word count.

电视台在广告间隙播放了一些填充短片。

The TV station played some ___filler clips between commercials.

学校找了一位代课老师临时填补空缺。

The school hired a ___filler teacher to temporarily cover the vacancy.