回上一层第五部 第四课 --- 请重复跟读，直到可以於声音档的留空之间唸完整句為止；熟练之后您必将可以 "脱口而出" 地说出标準的美式英语
- for all the world
- I wouldn't trade my stamp collection for all the world.
- for any price
- I will not give up my vacation home for any price.
- for anything
- I would rather go by the rules for anything.
- for certain
- Lily didn't know for certain wheather she will make it to dinner tonight.
