新东方考研英语必背500句
第110句
i've kept up a friendship with a girl whom i was at school with twenty years ago.
译文：我一直与20年前和我同校的一个女孩保持着友谊。
点睛：该句中whom引导的是以girl为先行词的定语从句，其中whom作该从句中with的宾语，twenty years ago为时间状语。短语keep up with sb.意为“保持与某人的联系”，本句中的keep up a friendship with sb．意为“和某人保持友谊”。
考点归纳：与动词keep相关的常见短语还有：
*keep back隐瞒（某事）
are you keeping something back?
你隐瞒着什么吗？
*keep(oneself) from doing sth.克制（自己）不做某事
i could hardly keep from laughing.
我几乎忍不住笑起来。
*keep的遵循，遵守（计划、时刻表等）
we have to keep strictly to the terms of the contract.
我们必须严格执行合同条款。