回上一层第12部 第七课 --- 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
- used to
- I have gotten used to the weather here.
- wait on
- We've been sitting here for 10 minutes without anyone waiting on us.
- waste one's breath
- Don't waste your breath on that brat; he's hopeless.
- watch out
- Watch out for bicycles on your right.
- The police will be watching out for the suspects.
