I missed the class.I have come____earlier

题目

I missed the class.I have come____earlier
是关于must,mustn't,should,shouldn't的问题
真对不起的说,横线打错位置了,是在I和have之间的...

答案

I should have come earlier
我想你的横线打错位置了,这里是使用虚拟语气,我本应该早一点来