27．--- It was careless of you your bike unlocked outside all night. --- My God! So I did. A．——青夏教育精英家教网—

摘要：27．--- It was careless of you your bike unlocked outside all night. --- My God! So I did. A．to leave B．left C．had left D．to have left

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--It was careless of you ________ your bike unlocked outside all night.