......Part A......
Do you have these shoes in size 8?
甲:你们这双鞋有没有八号的?
Sure. Here you are.
乙:当然。在这里。
I'm sorry, but they are too small. Do you have a bigger pair?
甲:对不起,这双太小了。你们有比较大号的吗?
Here. Try these on.
乙:这儿。试穿看看。
Wow! These are just right.
甲:哇!这一双刚好。