问题补充：
He lives in a building,There is a table in his room.
A. ten-ground, three-leg
B. ten-stories, three-legs
C. ten-storeyed; three-legged
D. ten-storeym three-leg
答案：
A. ten-ground, three-leg
B. ten-stories, three-legs
(答案→)C. ten-storeyed; three-legged
D. ten-storeym three-leg
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