新东方小学部新概念七级+六年级数学天天练【4月19日】

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He said, "I've left my camera in the bus."变为间接引语

A. He said he has left his camera in the bus.

B. He said he had leftmy camera in the bus.

C. He said he had left his camera in the bus.

储煤场有一批煤，第一天运出总数的25%，第二天又运出了剩余煤的20%，这时储煤场还剩余煤720吨。问储煤场原来存煤（）吨？

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