题目内容

The personal computer _____ in 1976.  It has changed the whole world.

A. has been invented
B. is invented
C. was invented
D. invented

试题答案

C
相关题目
The personal computer _____ in 1976.  It has changed the whole world.
[     ]
A. has been invented
B. is invented
C. was invented
D. invented
查看习题详情和答案>>

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网