问题描述： A:Who is your sister? B:She is a waitress. 哪里错了,错了请更正. 1个回答 分类：综合 2014-12-03 问题解答： 我来补答 Who - What What is your sister?你妹妹是做什么的（职业）?回答才用：She is a waitress.她是服务员 展开全文阅读
