1.After Donghai Bridge ______,it became a new tourist attraction.是completed还是was completed?

问题描述:

1.After Donghai Bridge ______,it became a new tourist attraction.
是completed还是was completed?

1.After Donghai Bridge ______, it became a new tourist attraction.
是completed还是was completed
回答:was completed,此处应使用被动语态。

是was completed,因为桥是被动的,不能自己造自己,而且是过去式.