_________, the train started.A.After having given the signal B.After the signal given C.Giving the signal D.After the signal was given要解释

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_________, the train started.A.After having given the signal B.After the signal given C.Giving the signal D.After the signal was given要解释
_________, the train started.
A.After having given the signal B.After the signal given C.Giving the signal D.After the signal was given
要解释

_________, the train started.A.After having given the signal B.After the signal given C.Giving the signal D.After the signal was given要解释
D.After the signal was given是正确的

D------------这是一个普通的时间状从

句意应该是，在得到发车信号后，火车启动了。所以排除A C
如果选D，那句子就是 After the signal was given,the train started 很明显，有了个After，前后两句的时间状态就要不一样，所以要改成After the signal was given,the train starts或After the signal had been given ,...

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The train to Beijing _________ (leave) ten minutes ago. 2._________ you _______ (buy) the train tickets to Nanjing? 52..The train _________ for twenty minutes.　　A.leftB.has leftC.is leavingD.has been away it+started+raining+_________+so+we+decided+to+take+the+train.为什么用a+little _________,the train started.A.The signal given B.Give the signal C.The signal has given D.The we _________(never /travel) by train She stood there even after the train _________.A、out of her sight.B、out of sight took the train=( )( )the train? _________, the train started.A.After having given the signal B.After the signal given C.Giving the signal D.After the signal was given要解释 After The Train Has take the train 意思 The train passed. take the train to. take the train中文翻译 Sitting on the train in the train station run for the train How did the train