问题描述： his mother looks quite ____(worry about/at) his health/是：或 1个回答 分类：英语 2014-11-08 问题解答： 我来补答 worried about 再问： 请将理由讲得详细一些O(∩_∩)O谢谢 再答： look作系动词,后面跟形容词 look worried about sth看起来担心,,,, 展开全文阅读
