All these measures______in view of the obvious improvement in the present situation.(prove)

分类: 作业答案 • 2021-12-20 07:11:03

问题描述：

答

句意：鉴于在当前的形势下所到得的明显改良,所有的这些措施都被证明了（有效）.
填 have been proved. 现在完成时的被动语态.