一、一二单元单词、课文过关：二、一二单元知识点：1. 四花费（spend, pay, cost, take）的用法： 人+spend (spent) +时间/金钱+ on sth./ (in) doing sth.人+pay(paid) +钱+for+物 物+cost (cost) +sb. +金钱It takes (took) sb. some time to do sth.2. help sb. (to) do sth. = help sb. with sth. 帮助某人做某事help oneself (to) 请自便；请随便吃with the help of= with ones help 在某人的帮助下cant/ couldnt help doing sth. 忍不住，禁不住3. with表伴随状态、特征, 后面跟名词、动名词（动词-ing） 反义词：without “没有”4. 感官动词look，smell，taste, sound, feel
