( ) eraser is on Jack's desk,is it yours?

( ) eraser is on Jack's desk,is it yours? there ___an eraser under the desk.Is it yours? Is this eraser yours or Jane's? --is that( )eraser?--yes,it,s( )eraser. look!() eraser is on the desk,whose is it?A .A B.An C .The D There is（ ）eraser on the teacher's desk.( )raincoat is in th Where is Alice is eraser?H_______is on the desk. What's on the desk?There is ___pencil on it? his eraser is (on the desk)对括号部分提问 There is a eraser on the desk改错 It is my c__.It's on my desk. 1.____book is on the desk?It's Jane's.