阅读下面的对话，根据上下文从方框内的选项中选择恰当的选项补全对话，使句义完整，符合逻辑．有两项为多余选项．
A．Would you like to go with me？
B．How much is the ticket？
C．When will the concert begin？
D．I decide to go to a concert with my friend
E．We plan to sell flowers to raise money．
F．I don’t think so．
G．I’m afraid I can’t afford it． |
Betty：Hi，Ann．What are you going to do this weekend？
Ann：（81）
Betty：A concert？Who will sing at the concert？
Ann：Swift Taylor．（82）
Betty：Certainly，I'd like to．She is my favorite singer．（83）
Attn：Eighty yuan．
Betty：Oh，it's too dear．（84）
Ann：We don't have so much money，either．（85）
Betty：That's a good idea．Can I join you？
Ann：No problem．Shall we meet at the gate of the park at four o'clock？
Betty：OK．See you then．