John began to learn Japanese by himself in______.A.the fiftyB.the fiftiesC.his fiftyD.his fifties
问题描述:
John began to learn Japanese by himself in______.A.the fiftyB.the fiftiesC.his fiftyD.his fifties
答
选D
因为in one's fifties表示在五十多岁
表示他在五十多岁时开始自学日语