题目内容
He used to live in ________.
[ ]
A.a six-storeys building
B.a building of six floored
C.a six-floors' building
D.a building of six storeys
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题目内容
He used to live in ________.
[ ]
A.a six-storeys building
B.a building of six floored
C.a six-floors' building
D.a building of six storeys