Necessity is the ...... of invention.
mother
What are they made of?
rubber
These T-shirts were ........ from China
imported
Normal cars cause ..... that's why people invented electric cars.
pollution
Bananas are ...... in Ecuador
grown
Gold is ...... in South Afica
mined
My mum doesn't let me go the cinema with you. Sorry. I couldn't ............... her.
persuade
Zbyszko z Bogdańca was a ........ knight.
medieval
This bread is ..... Throw it away.
stale
What is it made of?
cotton
Automatic door was..... in the US
invented
What is it made of?
clay