问题
选择题
— Do you know who ______ the telephone?
— Sorry, I don't know. [ ]
A. discovered
B. invented
C. talked
D. thought of
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— Do you know who ______ the telephone?
— Sorry, I don't know. [ ]
A. discovered
B. invented
C. talked
D. thought of
答案：B