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.
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.