The world___.Things never stay the same.A.changes B.is changing C.was changing D.will change 选哪

问题描述:

The world___.Things never stay the same.A.changes B.is changing C.was changing D.will change 选哪
The world___.Things never stay the same.A.changes B.is changing C.was changing D.will change 选择哪个?选择那个的原因是什麼?

答案选B.is changing
用现在进行时,表示动作的持续进行,不断地在变化