问题描述： 翻译并现在完成时改成现在进行时my brother never been abroad before . 1个回答 分类：综合 2014-11-24 问题解答： 我来补答 my brother has never been abroad before!单单一个be动词还要用现在进行时?没听说过除非改成被动句还差不多 展开全文阅读
