Mark Twain became famous in his -.A fifties B fifty C fiftie

问题描述:

Mark Twain became famous in his _.A fifties B fifty C fiftieth D the fiftieth
1个回答 分类:英语 2014-11-23

问题解答:

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应该是A
in one‘s +数词的复数(一般为十的倍数)表达年龄的大致范围
 
 
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