The eraser is on the her desk.什么地方错了,请改正

Where is Alice is eraser?H_______is on the desk. There is a eraser on the desk改错 his eraser is (on the desk)对括号部分提问 there is an eraser on the desk 对划线句提问 an eraser 划线 what is on the table?回答what is on the table?A It's an eraser B They're eraser C That's an eraser D The eraser 选哪个 为什么?如何理解提问主语? This is ( )eraser. ( )eraser is in the pencil case . look!() eraser is on the desk,whose is it?A .A B.An C .The D./ Excuse me,is this your eraser,Eric?( )eraser on the desk?Oh,no,it's Linda's.填冠词 The eraser is on the her desk.什么地方错了,请改正 there ----------------- an eraser on the desk. betty is on duty today.she is c___ the blackborad with an eraser. This is eraser,eraser is inThis is eraser,eraser is in the pencil box.A.a;The B.an;The C.an;An D.the;The(对了,) my eraser is (on the desk).对括号部分提问 the baseball is under the bed.改为否定句 Is this the girl eraser改错 there is an eraser on the desk.[改为发复数句] There is（ ）eraser on the teacher's desk.( )raincoat is in the bag.括号里填介词 The eraser is on the her desk 修改病句说出原因Where are()他们.()他们 on the sofa.根据所给词的适当形式填空 there is an eraser on the table. 对划线部分进行提问an eraser 划的线---------是不是变成：what's on the table?但是there去掉了 可不可以啊?谢谢各位了··