经典句型:How much should I pay? 我该付多少钱?

A:How much should I pay?
甲:我该付多少钱?
B:25 yuan.
乙:25元。
A:Here you are.
甲:给你。
B:Here is the change.
乙:这是找给您的钱。

经典句型:Please give me the inovice. 请给我发票。
A:Here is the fare. Please give me the inovice.
甲:这是车费。请给我发票。
B:Here you are.
乙:给你。
A:Thank you.
甲:谢谢。

句型讲解：
乘坐出租车询问车费可以说How much should I pay?我该付多少钱?或者How much is the fare?车费是多少?需要索取发票可以说May I have the invoice?或Could you give me the invoice?我可以要张发票吗?