It was strange that she should have gone away without saying

It was strange that she should have gone away without saying It is strange that he should have gone away without telling 如何翻译：it is strange that he should have gone away without tel It's too strange that they should have left without saying g It is strange that she should have done it. Why was Mary so __ that she went away without saying a word? It is strange that she should have done it.句中should是情态动词吗? strange that he _ without saying good-bye to us.A should hav It is strange that she---in the last exam A,should have fail it is strange that she should have failed to see her own sho it is strange that he---without saying good-bye to us 英语语法：It's strange that he ____ without saying good-bye to us