We were all having a good time as suddenly a fire broke in the kitchen为什么把as改成when

We were all having a good time as suddenly a fire broke in the kitchen为什么把as改成when We were having a party when the rain started.(改为同义句) ________ we were having a party, therain _______. All the flights ______ because of the snowstorm,we had to take the train instead.A.were canceled B.had been canceled C.having canceled D.having been canceled有人说C,有人说A, 问一道四级英语选择题All the flights( )because of the snowstorm,we had to take the train instead.A.were canceled B.had been canceled C.having canceled D.having been canceled All the flights ______ because of the snowstorm,we had to take the train instead.A.were canceled B.had been canceled C.having canceled D.having been canceled All the flights____because of the snowstorm,we had to take the train instead.A.were canceled B.had been canceled C.having canceled D.having been canceledD独立主格为啥不是B 不用独立结构不行吗? He told us a t______ story.We were all terrified. In fact,we were all wrong,wrong .a mess . we were having a meeting.The lights () A.went ofwe were having a meeting.The lights () A.went off B.put off C.got off D.fell off The students in Class One were having a P.E class()we were having a math class.A.when B.while C.asD,since Were not we having loved ones though only once in a 用we,a,on,dinner,having,were,ship,when,the,weater,became,stormy造句 译We were having a party while my neighbour is sleeping. one day,we were having lunch when a foreign boy came( )our classroom.填一个介词~! ( )we were having breakfast,he came in.A.while B.when C.after 选哪个?为什么? [10] All flights _____ because of the snowstorm,we decided to take the train.A.were canceled B.had been canceled C.have canceled D.having been canceled 翻译包括选项,详细分析句子. All flights ___ because of the heavy snow,we had to take the train.A.were canceled B.had been canceled C.have been canceled D) having been canceled 英语统考练习题All flights __ because of the snowstorm,we could do nothing but __ the train.A.had been cancelled/to take B.have been cancelled/take C.were cancelled/to take D.having been cancelled/take