听下面一段长对话，回答13-15 三个小题．
13．What will they do on Saturday evening？    
   A．Go to the park．B．Go to the shop．C．Go to the concert．
14．How many tickets do they have？    
   A．One．B．Two．C．Three．
15．When will they meet？    
   A.5：00．B.6：00．C.7：00．

【考点】短对话理解

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