A: Morning, Jackie! How was your vacation in the countryside?
B: W! I had fun and met a new friend.
A: Is she a girl?
B: Yeah! Her name is Grace.
A: Grace? I know her. She's Bob's sister. She is tin music.
B: Wow! Really?
A: Yeah! She is good at singing. She took part in (参加) many singing cand won lots of prizes.
B: But her brother Bob's songs sound beautiful, too. Who do you think sings b, Bob or Grace?
A: Oh I think Bob sings as was Grace. They are both great singers.
