Unit12 What did you do last weekend?Section A1. camp (1) vi 宿营；露营；扎营 go camping 去野营 camp out 野营 露营(2) n.野营；帐篷；营地 summer camp 夏令营 winter camp 冬令营2. by(1) by+地点名词 表方位，在旁边 by the lake/river/tree/window/door by the side of the path.在路边 注：表从旁经过,多与动词go/walk/pass等连用。(2)by+时间名词 到时（已发生某事），谓语多用完成时；最晚、不迟于，在之前 by now/then/this time/next Friday/the end of/three oclock等。 By the end of last year,another new gymnasium had been completed到去年年底，又有一座新体育馆峻工了。(
