in sECtionsA,B、AnDC、you will hEAr EvErything onCE、only. listEn CArEFully AnD thEn AnswEr thE quEstions thAt Follow. mArk thE CorrECt AnswEr to EACh quEstion on yourAnswEr shEEt.
{{B}}sECtionA、ConvErsAtions{{/B}}
in this sECtion you will hEAr sEvErAl ConvErsAtions. listEn to thE ConvErsAtions CArEFully AnD thEn AnswEr thE quEstions thAt Follow.

quEstions 1 to 4 ArE BAsED on thE Following ConvErsAtion.At thE EnD oF thE ConvErsAtion, you will BE givEn 20 sEConDs to AnswEr thE quEstions. now, listEn to thE ConvErsAtion.

how long DoEs thE pArty lAstA．only An hour.
B．two hours.
C．no FixED timE limit.
D．thE wholE night.