他去散了散步，呼吸一下新鲜空气。

He went for ___a ___walk to get some fresh air.

她每天下午都带她的祖父出去散步。

She takes her grandfather out for ___a ___walk every afternoon.

我们有时在晚饭后会去散步。

We sometimes go for ___a ___walk after dinner.