A dviver is asked to keep his safety belt __ while driving on the freeway

分类: 作业答案 • 2022-03-03 10:29:34

问题描述：

A dviver is asked to keep his safety belt __ while driving on the freeway
答案为fastened driving 求这个试题的考点.为什么是这个答案.

答

过去分词表形容词.keep sth adj保持某物如何如何,如keep your mouth open.