When I was _______ the school football team because I was unfit, I knew it was time to quit _______.
As the busiest woman in Norton,she made_________her duty to look after all the other people’s affairs in that town.
He feltto work for human rights and progress.
--- Do you like here? ---Oh, yes, the air, the weather and the way of life. Everything is so nice.
Is ____ necessary to complete the design before National Day?
I hate _______ when young people speak to the elderly in a rude way.