Is that your mask?Is_ _ _ (同义句）

Is that your mask?Is_ _ _ (同义句） This is his coat(同义句) whose is this mask?(同义句） Is this your mirror (同义句）Is that eraser hers?(同义句)Whose is that textbock(同义句) that is your bilk is------------- Is that your computer? that is your pen. Is that ( ) your sister is that your friend? is that your desk? Is that your Who is that man wearing ___ugly mask A.an B.a C.the It is a face, or a mask? 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?; )