is there _________ bank near here？Yes，there is．（　　）

A．aB．anC．the

You'll have a great time ________ you go to the party．（　　）

A．soB．ifC．although

Is this your pencil？Yes，it's _________．（　　）

A．myB．meC．mine

My teacher asked me ________ the room．（　　）

A．cleanB．cleansC．to clean

Fifty yuan ________ enough．（　　）

A．isB．amC．are