What is this?
This is a desk.
Which words begin with letter D?
DOG AND DESK
What letter is it?
letter B
How many letters D are there?
six
Which words begin with letter D?
DUCK AND DOLL
What letter is it?
letter C
What letter is it?
letter D
What is this?
This is a doll.
What letter is it?
letter A
What is this?
This is a duck.
What is this?
This is a dog.