这的座位有人么？ 和 你有7号半的鞋么？ 英文怎么说？

is this seat have anybody? do you have the shoes of 7 halve?

最地道的说法应该是 Is this seat taken? 或者 Is this seat free? 这是我们最常说的。。

你有7号半的鞋么： Do you get the size of seven point five for the shoes?

Is this seat available?

Do you have shoes of size 7?

This seat some people?

You have 7-and-a-half shoes?

这的座位有人么：Is the seat have someone?

你有7号半的鞋么：Do you have 7 and hale shoes ?