問題詳情

3 Leaks from underground gas pipes caused a series of____________ that injured and killed many people in the city.
(A)constructions
(B)explosions
(C)identifications
(D)transportations

參考答案

答案:B
難度:簡單0.85219
統計:A(40),B(467),C(19),D(22),E(0)

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