重点讲解：
1. used to do sth. 过去常常；过去曾；
例句：He used to learn everything by rote.
他过去总是死记硬背。
2. get around to sth./doing sth. 抽出时间做；终于去做；
例句：I said I would write to you, but as usual I never got around to it.
我说过要给你写信，但一如往常，我总是抽不出时间来。
3. be full of 有大量…的；满是…的；
例句：His writings are full of classical allusions.
他的著作里用了很多典故。
4. agree with 同意；赞成；意见一致；
例句：I don't agree with all you say, but I'll let it go at that.
我并不完全同意你说的话，但我不再多说了。
5. model on 按特定模型制造；仿特定样式做出；
例句：She asked the author if she had modelled her hero on anybody in particular.
她问作者书中的主人公是否是以某个人为原型。
6. come up with 想出，提出（计划、想法等）；
例句：He could not come up with a proper answer.
他想不出一个合适的回
