the article which_______ most useful will be published in this magazineA　provedB has provedC is proved D has been proved为什么是B不是CD

分类: 作业答案 • 2021-12-20 03:11:52

问题描述：

the article which_______ most useful will be published in this magazine
A　proved
B has proved
C is proved
D has been proved
为什么是B不是CD

答