英语一道改句子
问题描述：
英语一道改句子
He noticed that she was eating a big piece of cake.(保持原意)
He noticed ______ ______ a big piece of cake.
答
her eating
感官动词如notice、hear、see等,后面加do sth或doing sth,其中,do sth指经常做某事,doing sth指正在做某事