问题描述: I'm (Writing a letter)划线提问 2Mr Brown comes from the USA(同义句) 1个回答 分类:英语 2014-10-26 问题解答: 我来补答 I'm (Writing a letter)划线提问 what are you doing?2Mr Brown comes from the USA(同义句)Mr Brown is from the USA 展开全文阅读