It is accepted by everyone that knowledge is the most valuable _______ for human beings.

当前位置：初中英语 / 单选题

1. (2017·泰安) It is accepted by everyone that knowledge is the most valuable _______ for human beings.

A . standard B . treasure C . invention D . instruction

微信扫码预览、分享更方便

使用过本题的试卷