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Inthecliff,therewere()doors.A.two-storey-highB.twostoreyshigh说明理由

题目详情
In the cliff ,there were ( ) doors. A. two-storey-high B.two storeys high 说明理由
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答案和解析
A
符合形容词,用连字符连接,且复数要变成单数
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