_______ has donated much money to the charity .

30,000 dollars is a lot of money, but it’s _________ than we need.

Mrs Zhang has taught ______math for three years and she teaches very well.

Please give me a piece of paper______.

Excuse me, do you have ________ ipad 2 ? I want to e-mail my friends. — Sorry, I don’t. But my father does. You can ask him.