这个小镇大约有一千名居民。

This small town has about one ___thousand residents.

我已经检查过上千次了，还是没有找到任何错误。

I've checked it a ___thousand times and still found no mistakes.

我已经告诉你一千遍了，不要碰那个按钮！

I've told you a ___thousand times not to touch that button!