Thisbridgeismadeof________.It'sma

发布时间：2020-07-26 04:47:53

This bridge is made of ________. It's made up of 230,000 ________.A.stone; stoneB.stones; stonesC.stone; stonesD.stones; stone

网友回答

C解析be made of stone中的stone为原料，表示抽象的东西；be made up of 230,000 sties表示具体的石头数量．
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