David is clever and quick at work,he is honoured with the title of model worker.

____Do you mind if I open the windows? _____ ______ I feel a bit cold.

They’re getting _____ Hong Kong tomorrow.[ ]

_____ of the land in that district ______ covered with trees and grass.

Why do you ____ the radio? I can’t hear the light music clearly.—I’m afraid of waking the baby up.