My mother is ______(worry)about my little bother,横线上为什麽要填worried
问题描述：
My mother is ______(worry)about my little bother,横线上为什麽要填worried
答
固定搭配,be worried about sth
My mother is ______(worry)about my little bother,横线上为什麽要填worried
固定搭配,be worried about sth