请用一下词组来造句：go miles and miles，come down to，go to sleep，fall down，run in rings，

We walked for miles and miles.
我们走了很长很长的路。
He had come down to begging.
他已沦为乞丐。
I go to sleep with my back to her.
背向她睡觉
Whew! I almost fall down.
唷！我几乎摔倒。
As an artist, she can run rings around her brother.
她在艺术方面的成就显然胜过她的哥哥。