It has been ____ that the food people eat affects their health.
分类: 英语（高升专）(c0003)发布时间: 2024-11-05 20:02浏览量: 0
It has been ____ that the food people eat affects their health. A、proving B、prove C、proves D、proved 【正确答案】：D 【题目解析】：It has been proved 已经被证实，要使用被动语态，因此选D