Is that your estate Yes,it is

Is that your estate Yes,it is Is that your computer? that is your pen. Is that ( ) your sister is that your friend? is that your desk? Is that your estate happy Estate is really a beautiful ---- -----estate.（house） __ your house estate like ten years ago?A.What was B.What is C.How is D.How was that is your bilk is------------- Is that your pencil是什么意思 Is that your sister?,回答 I hope that is your That is your pencil,__ IS THAT YOUR BYOTHERS是什么意思 Grrr!Is that your coat? Is that your final answer?; )