你如何让一个八岁男孩保持开心？

How do you ___keep an 8-year-old boy ___amused?

我可以用有趣的故事让他们保持愉悦。

I could ___keep them ___amused with my funny stories.

导游用历史轶事让我们保持兴趣盎然。

The tour guide ___kept us ___amused with historical anecdotes.