When the teain at last came I__for nearly half an hour.

When the train at last came I _____for nearly half an hour. 单选题：When the train at last came I ____ for nearly half an ho After _____what seemed half an hour,he came at last. when you came i (work) at my translation for half an hour After half an hour,the next bus came.(同义句转换) Half an hour （ When Kate arrived at the bus stop,the bus for half an hour.a The bus came after I for about half an hour The bus came sfter I --------- for about half an hour When did the train ___ Half an hour ago when ()it ()?(arrive) half an hour ago The boy came ______ with an idea at last . It is about half an hour since he came here.