The train should have arrived an hour ago.I wonder what coul

The train should have arrived an hour ago.I wonder what coul The train arrived an hour behind ___________. you have missed the train ,it ____(leave)half an hour ago I ________ at the station half an hour ago,but the train ___ I ___at the station half an hour ago ,but now the train ___y I missed the train an hour ago.(对划线部分提问) I_____ here an hour ago,but I am late.Ihave missed the train When did the train ___ Half an hour ago I arrived at the airport an hour late.翻译下 The train arrived ten minutes ago. The bus arrived here haIf an hour ago 改为同义句 The bus（ ）（ ）her The bus arrived here half an hour ago.改为同义句