he became famous around fifty years old这道题怎么改错?
问题描述：
he became famous around fifty years old这道题怎么改错?
答
he became famous (at) around fifty years old
答
he became famous at fifty years old
答
我觉得没有错误.楼上2个改的真是差强人意啊 加不加无所谓的
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