It was the largest experiment we had ever had; it six hours. A. ended B. finished C. p——青夏教育精英家教网—

摘要： It was the largest experiment we had ever had; it six hours. A. ended B. finished C. prolonged D. lasted [答案] D. lasted.[注释]last vi. (for) 持续.

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It was the largest experiment we had ever had; it _____ six hours.

　　A. ended B. finished C. prolonged D. lasted

It was the largest experiment we had ever had; it _____ six hours.

　　A. ended B. finished C. prolonged D. lasted

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