补全对话
A：How are you，Gina？
B：Fine，thanks．And you？
A：I’m fine，too．________________？
B：I want to join the music club．
A：Oh！Can you sing？
B：Yes，________________．What about you？
A：________________．
B：Can you play ping-pong？
A：Yeah．
B：________________，too．
A：Really？Let’s play it now．
B：OK．________________．