14. No one can possibly know________when an earthquake will strike.
(A) in advance
(B) in particular
(C) in vain
(D) in case

答案：登入後查看
統計： A(41), B(7), C(5), D(4), E(0) #681693

詳解 (共 1 筆)

#1145805
A:事先 
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