问题补充：
---How long have you this magazine ?---For a week.
A. bought
B. borrowed
C. kept
D. lent
答案：
A. bought
B. borrowed
(答案→)C. kept
D. lent
解析：此题重点考查borrow，lend，keep的区别。borrow是向谁借…一般用 borrow sth from sb;lend是借给别人.一般用 lend sth to sb ,keep一般是保存的意思.前面的2个是短暂动词,后面不能接一段时间.keep后可以接一段时间 如 for 3 days 等
