Question

2.Change to the past . a.Are you a boy ar a girl?
b.She is sewing her dress.
c.He is driving that red tractor.
d.I'm reading a book.
3.Answer the question.
a.Are you a boy ar girl?
b.what was dcing the cat?
c.were you reading the newspaper?
d.What is she doing?

Answer 1

2)
a. Were you a boy or a girl?
b. She saw her dress
c. He was driving that red tractor
d. I was reading a book
3)
a. I am a girl
b. The cat was dancing a song of Kate Perry 
c. No, I weren't reading the newspaper
d. She is making a cake