题目

— Oh no! We're too late. The train ________. — That's OK. We'll catch the next train to London. A. was leaving                          B. had left C. has left                             D. has been leaving 答案：C　句意：——噢不！我们太晚了。火车已经离开了。——没什么。我们将乘下一列去伦敦的火车。根据语境可知火车已经离去，故用现在完成时。

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