Allflights____,wedecidetotakeagreyhound.A.werecanceledB.hadbeencanceledC.havingcanceledD.havingbeencanceled为啥选C?
<p>问题：Allflights____,wedecidetotakeagreyhound.A.werecanceledB.hadbeencanceledC.havingcanceledD.havingbeencanceled为啥选C?<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">封正纲的回答：<div class="content-b">网友采纳 在英语中,飞机不能被取消,得用主动形式.一般理解为,主动表被动!再者,这是一个句子,那么AB绝对排除.故,C!
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