用适当形式填空,she has to ---(eat) dinner

问题描述:

用适当形式填空,she has to ---(eat) dinner

eat ,用原形。has to 是必须的意思,动词不定式,后加动词原形

eat 原形,has to 是have to 的单三形式,have to 是情态动词后接动词原形,填eat

eat
has to do sth必须做某事

eat 她必须吃晚餐