Unit 4 Topic 1
When was it invented?
Section D
What’s it used for?It’s used for listening to music.What’s it made of?It’s made of plastic.Where was it invented?It was invented in Korea.When was it invented?It was invented in 1998.
What’s it used for?It’s used for communicating easily.What’s it made of?It’s made of plastic and metal.Where was it invented?It was invented in America.When was it invented?It was invented in 1973.