1.
A: what's the computer desk made of?
B:It's made of wood.
A:what's it used for?
B:it's used for work
2.
A:what's the chopstick made of?
B:It's made of Bamboo
A:what's it used for?
B:it's used for picking food.
3.
A:What's the sweater made of?
B:It's made of cotton.
A:What's it used for?
B:It's used for keeping you warm.
4.
A:What's the watch made of?
B:It's made of metal.
A:What's it used for?
B:It's used for looking at the time.
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