—Whatdoyouthinkthiscoatismade

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—What do you think this coat is made _____?

—Wool. It’s used for _____.

, keeping warm , keeping warm

, keeping warmly , keeping warmly

A be made of意为“由……制成的”能看出原材料；be made from也意为“由……制成的”，看不出原材料。故第一个空用of; be used for doing意为“用来做某事”; keep+形容词意为“保持……状态”。故选A。