{{B}} {{i}}quEstions 21～24 ArE BAsED on thE Following nEws From thEBB
C、or thE vo
A、At thE EnD oF thE nEws itEm, you will BE givEn 20 sEConDs to AnswEr thE two quEstions. now listEn to thE nEws.{{/i}}{{/B}} thE worlD trADE orgAnizAtion holDs its summit on______.
A、nov. 30
B．nov. 13
C、DE
C、30
DE
C、13