如题所述
第1个回答 2007-11-23
you should have known
用虚拟式
should还可以表示惊讶
用虚拟式
should还可以表示惊讶
第2个回答 2007-11-23
你应该知道
You should have known it!
You should have known it!
第3个回答 2007-11-23
You should know it!
第4个回答 2007-11-23
you should have known
第5个回答 2007-11-23
you should know本回答被提问者采纳