问题描述: you must take exercise every day to preserve your health(改为compound sentence)求达人相助也 1个回答 分类:英语 2014-11-19 问题解答: 我来补答 You must take exercise every day to preserve your health.(改为compound sentence)You must take exercise every day so that you can preserve your health.你必须每天锻炼,以便能保持健康状态.把不定式to do改为so that(以便,为了)状语从句,就成为复合句了. 展开全文阅读