It's in you pencil-box.这一题那个地方错了

It's in you pencil-box.这一题那个地方错了 (where) (are) my pencils?(It's)(in the pencil- box). Look at this. It’s a pencil box. It’s orange. What’s in it? It's a pencil box 复数改 I think it's pencil -box .这句话那个有错,正确的是什么? What's in your pencil box? Look! Here’s a pencil box, it’s orange, it’s my pencil box, — How many pencils are there in your pencil box、?— __.——It's —W _______ your pen?—It's in my pencil box. ( )Is it in your pencil box?( )What's that under the book?( is My ruler?—It‘s in the pencil box选一选, It's nice of you to help me find my pencil box答句