问题描述： He is ____(worry) about his father 1个回答 分类：英语 2014-12-11 问题解答： 我来补答 应为He is worried(worrying也可以) about his father.worried在此处是worry的名词,be worried about是一个固定搭配,表示担心,比较强调担心这一状态.worrying也是可以的,此处是动词,更强调担心这一持续的动作. 展开全文阅读
