回上一层第四部 第八课 --- 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
- dry up
- The river dries up every winter.
- Ideas were starting to dry up.
- eat in
- I usually eat in, because I am too lazy to go out.
- eat out
- The Smiths always eat out.
- eat up
- Daisy was so hungry that she ate up a whole chicken.
- Your downloading is eating up valuable resources.
