-Our desks and chairs ________ wood. What about yours?-Just the same.A.are made ofB.are made intoC.are made fromD.are made in
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A解析一般过去时的被动语态。be made from“由……制成，由……构成”，指从原料到制成品，发生了质的变化，看不出原材料(化学变化)；be made of“由……制成，由……构成”，指从原料到制成品，只发生了形状的变化，仍然看得出原材料(物理变化)；be made in后面接地点；be made into“被制成……”。