问题 更新时间2023/4/3 12:59:00 The scientist could hardly find sufficient grounds ______ his arguments in favor of the new theory.A. which to base onB. to base onC.to be based onD.on which to base 答案 登录 注册 D.on which to base 出自：联大 >> 河南城建学院大学英语（三）
问题 更新时间2023/4/3 12:59:00
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