1.we have widely used computer in our daily life.改为被动语态
问题描述：
1.we have widely used computer in our daily life.
改为被动语态
答
computer is widely used(by us) in our daily life
答
帮楼主最后一次了，呵呵
computer has been widely used in our daily life.
答
computers have been widely used in our daily life.
无须重复By us
答
Computer is widely used (by us)in our daily life
答
Comptuer has been widely used in our daily life(by us).