It ......... a pen.
isn't
is
It.......... a pen.
is
isn't
....... is a plane.
That
This
........ is my cat.
This
That
It....... a chair.
is
isn't
.....is my cat.
This
That
It........ a crayon.
isn't
is
It ......... a book.
is
isn't
....... is an apple.
This
That
It......... a desk.
isn't
is
........ is the sun.
That
This
...... a plane.
That
This
It ............a pencil.
isn't
is