问题描述： 根据句意,用by将两个句子连成一句. 1个回答 分类：英语 2014-12-04 问题解答： 我来补答 I improved my writing by writing e-mails to my pen pals.She earned her living by solding insurance.He succeeded in his business by working hard.The movie stars lost weight by doing a lot of exercise every day. 再答： 望采纳，谢谢 展开全文阅读
