1) I like Ricky Martin. Oh yes, so do I! (I) 2) Bob doesn't like music. No, Fred doesn't like music either. (Fred) 3) We're from Argentina. Really? That's a coincidence, so are we! (we) 4) I'm not invited to Harry's party. No, Sheila isn't either. (Sheila) 5) They want to go by train. Yes, we do. (we) 6) She doesn't eat meat. No, her sister doesn't either. (her sister)