3.All flights _______ because of the snowstorm,many passengers could do nothing but take the train.A) had been canceled B) have been canceled C) were canceled D) having been canceled 为什么选择B?独立主格结构不是选D吗?

All flights ______ because of the storm,they decided to take the train.a.having cancelled b.were cancelled c.have been cancelled d.having been cancelled all flights ______ because of the srom they decided to take the train为什么用 baving been canceled ,独立主格?怎么判断的阿? 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有人说C,有人说A, All flights were put off ______ the fierce typhoon-MorakotA for the sake of B.as a result C thanks to D.because 为什么要选C 而不能选D呢 the announcement---------greatly distressed the waiting passengersthat all flights were cancelled why all flights were cancelled 知道是用同位语从句或定语从句 但why all flights were cancelled这个不知道错在哪了, All flights ______ because of the snowstorm,many passengers could nothing but wait.A.had been cancelled B.have been cancelledC.were cancelled D.having been cancelled请高手给个确切的答案,再为我详细的讲下,以下4个非谓语动词在 All flights ___because of the snowstorn ,we decided to take the train.a had been canceled b ...All flights ___because of the snowstorn ,we decided to take the train.a had been canceled b having been canceled 英语翻译All arriving flights were diverted to Aden Wednesday,and no flights were taking off from Sanaa,said a transportation official who asked not to be identified because he is not authorized to speak to the media.这里的All arriving flights enclosed flights是什么? commercial flights是什么意思 All the ______ here are 英语翻译It's ______ ______ ______ all the famliy. 英语翻译1.we don't want（ there to be ）anybody lagging behind.2.you will see this product (advertised) wherever you go.3.IT (being )now pretty late ,we took our things and retired to our room.4.All flights (having been canceled) because of the 3.All flights _______ because of the snowstorm,many passengers could do nothing but take the train.A) had been canceled B) have been canceled C) were canceled D) having been canceled 为什么选择B?独立主格结构不是选D吗? All flights ________ because of the terrible weather,they had to go there by train.A.having been canceledB.had been canceledC.having canceledD.were canceled 要详解 [10] All flights _____ because of the snowstorm,we decided to take the trainA.were canceled B.had been canceled C.have canceled D.having been canceled All flights _________ because of the snowstorm,many passengers could do nothing but take the train.A.had been canceledB.have been canceledC.were canceledD.having been canceled