My mane is Tom, and I'm at No 1 Middle Shool, this morning the shool bus take us to arrive a park at 7, We will dig a small pool there, it take us long time to do it, at the end, we dug the water out, we were happy, after lunch, we take a bus went back home!
追问数字7表示什么
追答附件里有上一篇文章的读音!