那只猫经常在花园里追逐蝴蝶。

The cat often ___chases butterflies in the garden.

警察正在街上追赶嫌疑人。

The police officer is ___chasing the suspect down the street.

我们看着孩子们在操场上互相追逐。

We watched the kids ___chasing each other around the playground.