1. complete the sentences with a or an if necessary. a) this is dan and this is nicola. they are teachers. and this is bob. he is teacher. he is . b) my father and mother are doctors and they work in .. hospital. my father is cardiologist and my mother is anesthetists. i don't want to be doctor, i want to actor. and my two sisters don't want to be doctors. they want to be artists.

They are teachers. And this is Bob. He is not A teacher. He is AN architect. My mother and father are doctors and they work in A hospital. My father is A cardiologist and my mother is AN anesthetists. I don't want to be A doctor, i want to be AN actor. And my two sisters dont want to be doctors. They want to be artists