单项选择题
—Oh no! We’re too lte. The trin ______.—______. Tht’s OK. We’ll ctch the next trin to Lond
on.—Oh no! We’re too lte. The trin ______. —______. Tht’s OK. We’ll ctch the next trin to London.ws leving B．hd left C．hs left D．hs been levingA．was leavingB．had leftC．has leftD．has been leaving
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