国文屋

位置:首页 > 练习题 > 

Themobilephone    in1973. A.invents B.isinvented C.inve...

练习题1.15W

问题详情:

Themobilephone    in1973. A.invents B.isinvented C.inve...

The mobile phone     in 1973.

A. invents  B. is invented  C. invented  D. was invented

【回答】

D

知识点:动词语态

题型:选择题