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