Dave said his aunt would buy him a five-speeds racing bicycle for_英语解答

Dave said his aunt would buy him a five-speeds racing bicycle for his seventeenth birthday
有一处错误,在哪,怎么改

人气：465 ℃　时间：2020-04-07 16:14:38

解答

five-speeds 改为 five-speed
加连接符-不需要复数
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