当事人为自己的利益不正当地阻止条件成就的，视为条件已成就；不正当地促成条件成就的，视

口语应用（10分）
根据方框中的7个选项，从中选择5个答案填入对话中，使对话意思完整。

A、Would you like to listen? B、What do you think of the singers? C、Do you want to go? D、What did you do last night? E、How much is the ticket? F、How many do you need? G、Did you enjoy yourself?

A：1        
B：I went to the concert.
A：2       
B：Yes. I had a good time. I enjoyed the music and songs very much.
A：3       
B：They were very good.
A：When will there be the next concert?
B：Next Friday evening. 4        
A：Yes, I do. 5        
B：50 yuan.
A：It’s kind of expensive.
B：I agree.