问题描述：
Ok!they are 20 yuan.can I help you?you're welcome .yes.do you have post cards?yes!here they
are.and what else are you going to buy I'll take them.thank you.I'm going to buy some comic books.给句子排序.
are.and what else are you going to buy I'll take them.thank you.I'm going to buy some comic books.给句子排序.
问题解答：
我来补答展开全文阅读