I was born ______September 15th,1998.A. at B.on C. in
He is_______ usual man but last week he did _______unusual thing——saving a boy out of water.
Cindy is always helpul. She only thinks of others and does not_____herself.
— Jim, what did I say just now? — Sorry, I ______ of something else.
The boy looked __________ because he didn’t pass his maths test.
I think there will be _____ people and ______pollution.