I_____ here an hour ago,but I am late.Ihave missed the train and I have to take a bus.A.was B.had been C.have been D.should have been

I_____ here an hour ago,but I am late.Ihave missed the train and I have to take a bus.A.was B.had been C.have been D.should have been 阅读理解填空And we will deliver your pizzas i_____ about half an hour. ____you_____（finish） homework,Tom?NO,I_____.When___ you___(finish)it?In an hour.说明理由 they will come here in half an hour.(对in half an hour提问) The train will get here in an hour 对in an hour提问 He was here().A.half an hour before B.half hour ago C.half an hour ago 用现在完成时改写 Our teacher came here an hour ago ( ) ( ) ( )your house from here?Half an hour's walk. they were here about half an hour ago Sam ( )here half an hour ago括号中应填什么?为什么? They left here half an hour ago.(同意句转换) “She has come here an hour ago”这句话对吗? The bus arrived here haIf an hour ago 改为同义句 The bus（ ）（ ）here( )half an hour Have you finished you homework?Yes,I_____(finish) it an hour ago.为什么用一般过去式填空而不用现在完成时? the bus arrive here half an hour ago . lt is here now 的同义句是什么? he will stay here for an hour 提问_________ __________will he stay here It is ______walk from here to the bus station Ahalf-an -hour Bhalf an hour's 选哪个,为什么 It takes me more than half an hour to get here,(对more than half an hour to get here提问）