That's my pencil-box.(对my提问)

That's my pencil-box.(对my提问) That's my pencil-box.(对划线部分提问) That's my pencil-box.改为同义句 That is my pencil box改为一般疑问句 That is my a pencil-box.改病句 my pencil box is in my My pencil box is in my r(.) is My ruler?—It‘s in the pencil box选一选,is My ruler?—It‘s in the pencil box选一选,A ,When B,Where C ,Why ( )Is it in your pencil box?( )What's that under the book?( )Let me see.Oh,it's my pen.( )Is it in your pencil box?( )What's that under the book?( )Let me see.Oh,it's my pen.Thak you very much.( )What are you doing,Nancy ( )You're welcome/( )I'm look Is that your pencil-box?后一句是什么 Where are my pencil box () baseball 改为复句this is my pencil box there are()pens in my pencil box That's his pencil--box．（该为复数形式） It's nice of you to help me find my pencil box答句 —W _______ your pen?—It's in my pencil box. (1)red,pen,his,my,in,is,pencil-box,brother's连词成句 My pencil box it‘s on the schoolbag.哪里不对 并改正