A-A+ When he was in his______ he began to study En 2022-08-06 07:37:46 问答库 阅读 177 次 问题详情 When he was in his______, he began to study English.A.forty.B.forty’sC.fortiesD.forty’s years old请帮忙给出正确答案和分析,谢谢! 参考答案 正确答案:C解析:在某人几十岁时,用“in one’s+基数词的复数形式”。