Choose the correct form of be from the dropdown menu to complete each conversation.
Steve: This 0is Joan, my sister.
Tom: Hello, Joan. 1 you a student?
Joan: No, I 2 a dentist. I work in Brighton.
Mike: How are you, Sally?
Sally: I 3 fine, thanks.
Mike: 4 you hungry?
Sally: Yes. 5 there a good restaurant near here?
Mike: Yes. There 6 a restaurant in Wellington Street. The food is good and it 7 very cheap.