Here is the completed dialogue with the correct form of "to be":
- Tom: (a) Are you from New York, Brad?
- Brad: Yes, I (b) am.
- Tom: (c) Is it the capital of the US?
- Brad: No, it (d) isn't. Washington DC is the capital.
- Tom: (e) Are your parents from New York?
- Brad: No, they (f) aren't. They're from Easton.
- Tom: (g) Are you a fan of pop music?
- Brad: No, I (h) am not. I'm into rap music.
- Tom: (i) Is 50 Cent your favourite singer?
- Brad: No, he (j) isn't. I like Jay Z.