I was really anxious about you.You _______ home without a word next time

问题描述:

I was really anxious about you.You _______ home without a word next time
A.mustn’t leave
B.shouldn’t have left
C.couldn’t have left
D.needn’t leave

选D首先排除A.musn't是禁止的意思,B.C是对过去时的虚拟,排除,所以选D\7
是mustn't