回上一层第七部 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
- lead to
- Working overtime and sleeping late often lead to illness.
- leave out
- I felt left out because my friends wouldn't play with me.
- Aurora left out an important detail in her account.
- let alone
- Barry doesn't even have enough money for food, let alone entertainment.
- let go
- The one who lets go of the book first, loses.
- The kitty let go of the cockroach after having played with it for a while.
