题目内容
单项填空
() 1. —When the telephone ? - In 1876.
A. did;invent B. was;invented
C. had;invented D. was;inventing
1 .B
练习册系列答案
相关题目
题目内容
单项填空
() 1. —When the telephone ? - In 1876.
A. did;invent B. was;invented
C. had;invented D. was;inventing
1 .B