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A：who invented it ?
A:when was it invented?
B:it was invented in··· ···
A:what was it used for?
B:It was used for··· ···
inventor:Kar Bens
time :1885
used for：traveling
B:Karl Benz invented the car
The car was invented by Karl Bens
A:what's this?
B:It's a··· ··
A：who invented it ?
A:when was it invented?
B:it was invented in··· ···
A:what was it used for
B:It was used for··· ···
inventor:Baird
time :1927
used for：watching news
B:Baird invented the first telephone
The telephone was invented by Baird
A:what's this?
B:It's a··· ··
A：who invented it ?
A:when was it invented?
B:it was invented in··· ···
A:what was it used for?
B:It was used for··· ···
inventor: