问题描述: 用make a living by doing sth造句,三个句子…… (可选主语:I、father、mother(主语放在哪里?) 1个回答 分类:英语 2014-12-09 问题解答: 我来补答 主语放在句子开头.1.I make a living by selling book.2.Father makes a living by fishing.3.Mother makes a living by working as a teacher. 展开全文阅读