回上一層第七部 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
- just now
- Vivian called just now to remind you of the meeting.
- keep an eye on
- Will you keep an eye on my house while I am out of the country?
- keep in mind
- Keep in mind that the supermarket closes at 7pm.
- keep in touch (with)
- I kept in touch with my classmates for many years after graduation.
