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...

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...
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...

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...
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

那个空应该在I和have 之间吧，填should,表示我本应该

I should have come earlier
我本来应该早点来

must,

用should,表示我本应该来早点的