A-A+ He attempted _______ to set up a company of his own.A. with vainB. on vainC. in vainD. 2022-06-06 18:38:19 学历考试 阅读 问题详情 He attempted _______ to set up a company of his own.A. with vainB. on vainC. in vainD. of vain 参考答案 查看解答
