Excellence is not difficult —simply decide right now to give it your best shot—____you will be amazed with ___ life gives you back.

So what have you learned?－We’ve learnt _______about life in poor areas. Which of the following is NOT right?

______books aren’t old.______ are new.

What’s wrong with you, Eric? You look tired.—I ________ to prepare for the final exam last night.

Recognized as ________ world cultural heritage by the United Nations in 2002, paper cutting is ________ practice which originated in ancient China.