They often paly _______  on the badminton court.

 —Excuse me, is this ________ new pencil sharpener?  —Yes, it’s ________. He bought it just now.

Orange represents joy. It can bring you ______ and cheer you up. 

Many countries are using natural gas , wind and other forms of ________ .

- Which team won the game? - Ours, It's our first __________.