--Are you satisfied with the air today? --Not at all, it’s so foggy that I often get a cough. I think we all need much ________air to breathe.

Let’s go and play _____ ping pong. I don’t want to play ____piano.

You don’t have to _______ every new word in the dictionary while reading. 

－Some people kill tigers and make medicine _____ their bones.－Yes, it’s terrible, and we can’t wear clothes _________ animal fur.

–What kind of shows do you like, talk show or soap operas?–        . I like sports show.