Iwasreallyanxiousaboutyou.You

问题详情：

 I was really anxious about you . You ______home without a word.

A. mustn’t  leave             B. shouldn’t have left  

C. couldn’t have left         D. needn’t leave

【回答】

B

知识点：虚拟语气与情态动词

题型：选择题