如题用动词的适当形式填空
问题描述:
如题用动词的适当形式填空
填空something must be done _____(stop) cutting tree.
答
填to stop,不定式做目的状语.
如题用动词的适当形式填空
填空something must be done _____(stop) cutting tree.
填to stop,不定式做目的状语.