你看到那只猫在花园里追蝴蝶了吗？

Did you see that cat ___chasing a butterfly in the garden?

孩子们在操场上开心地互相追逐。

The children were happily ___chasing each other around the playground.

在我的梦里，我被一个看不见的东西追赶着。

In my dream, I was being ___chased by something I couldn't see.