-- do you know who invented the telephone -- no l only know

-- do you know who invented the telephone -- no l only know Do you know ____?A.who invented tea B.who was the telephone 1.Do you know who invented the telephone?为什么不需要the A:When was the telephone invented,do you know? Do you know who-------- ( 发明 ) the telephone? you know when the telephone was invented? -Do you konw who invented the telephone? Do you know who invented Chinese chess Do you know who ____(inwent) the telephone? 选取：1 Do you know when the telephone----?A was invented B inv Do you know who discovered America and who invented the comp do you know who invented tea为什么前后时态不一致