how long may I --- the book?是 boroow 是 buy 是 keep 是 lent

问题描述:

how long may I --- the book?
是 boroow 是 buy 是 keep 是 lent

keep:保存,这里是【动作的延续性】,不是指【借书这个短暂的动作】,keep是【延续性动词】,所以是keep,