People regard the wheel as ______invention of importance in ______英语解答

People regard the wheel as ______invention of importance in ______human history.A.an; the
为什么是in _the_____human history,the可不可以不用

人气：418 ℃　时间：2019-10-10 03:34:17

解答

the在这里表示特指,人类的历史是独一无二的,需要用定冠词在前面修饰.