问题描述: Good food and exercise help us to study better对Good food and exercise 提问 1个回答 分类:英语 2014-11-27 问题解答: 我来补答 what helps you to study better对主语提问语序不改,不用加助动词.还有啊,注意特殊疑问词是what,help改三单形式. 展开全文阅读