国家级子课题的等级是:英语四六级

来源:百度文库 编辑:神马品牌网 时间:2024/05/12 18:02:59
It' s easy to blame the decline of conversation on the pace of modern life and on the vague
changes __ place in our ever-changing world.
[A] taking [B]to take [C]take [D]taken

支持正确的A。

顶一下A

D

选A