Mr Yang is a doctor. He works ____ .
_____ being fun and good exercise, swimming is avery useful skill.
I have a house _______a small beautiful garden.
_____ mountains surrounding our village areturning much greener, they have become ________ home to a large number of wildanimals.
Are you familiar _______ the music— Yes. The music is very familiar _______ me, but I can’t remember when and where I heard it.