回上一層第12部 第五課 --- 請重複跟讀，直到可以於聲音檔的留空之間唸完整句為止；熟練之後您必將可以 "脫口而出" 地說出標準的美式英語
- until now
- I've been fooled until now.
- up to
- Up to yesterday, I still didn't believe he was married.
- Harold is not up to his work.
- up to (someone)
- It is up to you to improve your life.
- up to (something)
- I don't know what you are up to, but it can't be something good.
