問題詳情
5. At first, the workers gathered and protested against long work hours； then the protest _______ into a five-day riot, causing more problems and
cost to the employer.
(A) embarked
(B) escalated
(C) eroded
(D) evacuated
參考答案
答案：B
統計：A:4,B:6,C:3,D:1,E:0
難度：計算中