問題詳情
44 A crazy Lantern Festival takes place in Yanshui. Rockets and fireworks are aimed at the crowdsand explode around them._________ must wear a helmet and protective clothing to prevent injury.
(A)Pedestrians
(B)Predecessors
(C)Participants
(D)Providers
參考答案
答案：C
難度：非常困難0
統計：A(0),B(1),C(0),D(0),E(0)