passerby

一位路人拍下了事故现场的照片。

A ___passerby took photos of the accident scene.

一位路人注意到了掉在长椅上的钱包。

A ___passerby noticed the wallet left on the bench.

一位过路人帮我捡起了掉落的钱包。

A kind ___passerby helped me pick up my dropped wallet.