Betty:Michael,what does your mother do?
Michael:She wears a white hat and a white coat. Can you guess(猜)?
Betty:Is she a cook?
Michael:No. She is a nurse.
Betty:What does your father do?
Michael:He is a policeman.
Betty:Wow! That's cool! Does he like his job?
Michael:Yes, he likes his job very much. He likes helping people. I want to be a policeman too.
Betty:That's great. I want to be a teacher. I want to teach English.