1 我应该付给你多少钱？How much should I pay you?

2 你应该付给我300元 You should pay me 300 RMB.

3 我给你100元，你应该找我多少钱？How much is the change after I have pay you 100 RMB?

4 你给我50，我找给你30元 You have given me 50 RMB. Here is the change of 30 RMB.

5 先别走啊，我还没找你钱呢 / 你还没找我钱呢。Please don't leave and wait for your change.

6 他正在网站上查询火车票信息 He is checking the train tickets on the internet.

7 她拨打服务电话，投诉了一名服务态度差的工作人员 She made a call to the customer service department, complaining about a customer representative's bad attitude.

8 你来上海的话，我请你吃饭 / 请你去唱歌 I will treat you dinner when you come to Shanghai. 或I will take you to karaoke when you come to Shanghai.

9 你来上海的话，我会带你好好玩，逛街 看电影，吃饭 ，总之让你满意而归 If you come to Shanghai, I will take you to many fun places, such as movies, food, and so on. I promise you would be completely satisfied.

10 上次我去北京 ，他对我招待的特别好 He treated me specially good when I came to Beijing last time.