问题描述： Dick and Betty are sister and brother 对么 1个回答 分类：英语 2014-12-03 问题解答： 我来补答 Dick and Betty are brother and sister.兄妹是用 brother and sister 再问： 有没有这种说法，Dick and Betty are brother and sisters. 再答： 没有 展开全文阅读
