They should have gone earlier,___ ?

They should have gone earlier,___ ?请问为什么要didn't they

They didn't do as well as they should have They drew more money than they should have from the bank.怎么翻译？ should married couples with a child get divorced when they have an unhappy marriage?explain glasses should have a measure line if they are used ..什么意思?关于酒杯的 We do not think that they should have been put to this trouble you should have studied have,should的近义词 should have done should have 的问题 They have gone forever.