排序。

_____A man came up and asked him, ""Hi, boy! Is your mother at home? "

_____The man began to ring the doorbell, but there's no answer. He was angry.

_____ "Yes, she is, "said Jimmy.

_____"My mum is at home, but this is not my house, "Jimmy smiled.
_____One day, Jimmy sat on the steps in front of a house.