完成对话
A: Hey, you look unhappy. ____?
B: I need some ____. What should I get for my father's birthday?
A: How about a belt?
B: No, it's too boring.
A: What about a tie?
B: Oh no, it's so____ style.
A: Well, why don't you buy an iPhone 6？
B: Oh, my God! It's quite____.
A: Umm... A tennis racket, OK?
B: That sounds____. My father likes sports.
