来自李洪的问题
【Doyouknowhowmany_____aregoingtobeheldinthecomingSummerOlympicGamesinRiodeJaneiro，Brazil？（）A.incidentsB.accidentsC.eventsD.sports】
Do you know how many _____ are going to be held in the coming Summer Olympic Games in Rio deJaneiro，Brazil？（）
A.incidents
B.accidents
C.events
D.sports
