I didn't call to make my airline reservation but I _ Ashould have Bmay have Cmust have Dshall have
问题描述：
I didn't call to make my airline reservation but I _ Ashould have Bmay have Cmust have Dshall have
答
A
表示本应该而没做
祝你学习进步O(∩_∩)O哈!
如果对你有所帮助,还望采纳O(∩_∩)O哈!
如还有不懂的,还可以继续追问哦\(^o^)/~谢谢!我懂了！O(∩_∩)O~那就采纳吧\(^o^)/~