He began to work there ( ) A.on his fifty B.at age of fifty C.when he fifty D.in his fifties
人气:246 ℃ 时间:2020-04-13 05:09:58
解答
答案D 分析: A.介词错误. B修改为:at the age of fifty.在五十岁时 C修改为:when he was fifty.当他五十岁时 D in his fifties在五十多岁时.可以是五十一岁,也可以是五十九岁,有十年的区间.类似的用法有:in his thirties:在他三十多岁时 in 1990s 在二十世纪九十年代