Question

This\That is my bag
This\That is my desk
This\That in my pencil box
These\Those are my textbooks and workbooks
These\Those are my coloured pencils

Answer 1

That is my desk.
This is my pencil box.
These are my textbooks and workbooks.
Those are my coloured pencils.

Answer 2

This is my bag.
 This is my desk.
 This is my pencil box.
These are my textbooks and workbooks.
 These are my coloured pencils