回上一层第五部 第叁课 --- 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
- find fault
- Kirsty is good at finding fault in others.
- Lawrence is always finding fault with my work.
- find out
- I do not know if he is still here, but I will find out.
- We found out that Klein was a woman.
- finish up
- Try to finish up before sunset.
- fool around
- Leanne spends so much time fooling around that her friends worry about her future.
- Stop fooling around! This is serious.
