摘要： They are different sizes, shapes and metals, but they are exactly the same . A. /; in weights B. of; in weight C. in; of weight D. of; weights

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They are different sizes, shapes and metals, but they are exactly the same .

They are ________ different sizes, shapes and metals, but they are exactly the same ________.

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They are ________ different sizes, shapes and metals, but they are exactly the same ________.