【单选题】Shop-assistant: Can I help you? Customer: Yes, I'd like to try these shoes in size 4, please? Shop-assistant: Yes, just a moment ... I'm sorry but we've only got them in four and a half. ______?
【简答题】To some people, happiness is something to do with simplicity, and it is the ability to extract pleasure from the st things-such as a peach stone (桃核). It is obvious that it has nothing to do wit...