A spacecraft can go back and forth between ____ space and ____ear_英语解答

A spacecraft can go back and forth between ____ space and ____earth
A the the B / the C the / D / /

人气：335 ℃　时间：2020-04-10 17:49:11

解答

B space太空不能用定冠词.earth是唯一的,如moon也要加