一. 单项选择(每小题1分，共25分）
( )1. —Why not take ____ umbrella with the sign Made in China？ It is _____ useful umbrella. —What _______ good advice it is!
A. an; an; a B. an; a; \ C. a; an; a D. \; an; a
( )2. ——I wonder if I can use your camera．
——I don't have .．He bought ． last month But my roommate does
A．one；one B．it；one C．it；it D．one；it
