David is________outgoing boy, and Mary is ________shy girl?
_____of students have finished their work on time.
Don't keep the water running when you wash your hands.____________ A.I hope so B. I'm afraid not C. Sorry, I won't D it's nothing
This is the film ____ I like best.
What a fine day! The sunshine is looking ______the window.
With the development of science, our country is becoming_________