we must ______(eat) in the dining hall. Must we ______(be) on time next time.
问题描述:
we must ______(eat) in the dining hall. Must we ______(be) on time next time.
求助 急.
答
应该是:
eat be
must后面用动词原形
我们必须在餐厅吃饭.
下次我们一定要准时.