Where are my books?I don'__.__ __under the chair怎么填

Where are my books?I don'__.__ __under the chair怎么填 I would like to buy my son books.=I __ __ __ __ __ __ __ （）my computer game,mum?-on the chair where are his books?_() My backpank is behind the chair.（改为同义句）The backpack __ __ __ I think my keys are on the desk.改为否定句 I __ __ my I lost my ruler,__ Mom found it under the chair I don't suppose you have any idea where my addressbook is,__ 填 介词 Please look __ the map.Lucy and Lily are __ England.I c I don't know where I can stop my car.(改为同义句) I don't know __ are my books on the chair?no,( t )(n ) Our books are in the bookcase.(变为一般疑问句） __ __ books in the b Are the new rules working?-Yes.__ books are stolen.