问题描述: He must be American等于什么 1个回答 分类:综合 2014-12-12 问题解答: 我来补答 He should be Americanmust be=should be 再问: 有题 他等于 = It Is( )that he is American ,还有一道 ,He can not be at home =It Is ( ) that he is at home .谢谢解答 再答: said 据说他是一美国人 impossible不可能 展开全文阅读