The roof of the auditorium _______ two hours before the concert started; fortunately, no one was killed. 
(A)declined
(B)collapsed
(C)reduced
(D)escalated

答案：登入後查看
統計： A(13), B(112), C(6), D(10), E(0) #397181

詳解 (共 3 筆)

#546612
escalated 使逐步上升(增強或擴大); 使(戰爭)逐步...
2
1
#545077
在禮堂的屋頂坍塌演唱會開始前兩小時，幸運的是，沒有人死亡。
2
0
#543914
b collapsed 倒塌
2
0