补全对话（每小题1分，共5分）根据对话内容，从方框内选择适当的选项完成对话。

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.

A: Hi, Ann. What are you going to do this weekend?
B:_________
A: A concert? Who will sing at the concert?
B: Swift Taylor._________
A: Certainly, I'd like to. She is my favorite singer. ________
B: Eighty yuan.
A: Oh, it's too expensive. _______
B: I don't have so much money, either. _________
A: That's a good idea. Can I join you?
B: No problem. Shall we meet at the gate of the park at four o'clock?
A: OK. See you then.