基本信息
unit 2 poems ⅰ.语法单句填空 1．he is giving her french lessons in exchange________ her teaching him english. 答案：for 句意：他教她法语的目的是为了她教他英语。in exchange for“作为交换”。 2．the photographer needs to charge up the digital camera every day as the battery runs ________ quickly.
