问题描述: 改错题(只有一处错误) I have to do what i can improve my spoken English写明原因谢谢了 1个回答 分类:英语 2014-10-09 问题解答: 我来补答 I have to do what i can to improve my spoken Englishwhat i can作都的宾语 是宾语从句 不定式to improve作目的状语 展开全文阅读