阿摩線上測驗
35. _____________, people should leave the building at once.
(A) In case that emergency
(B) In case emergent
(C) Case emergency
(D) In case of emergency
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統計： A(20), B(6), C(6), D(375), E(0) #1828559
統計： A(20), B(6), C(6), D(375), E(0) #1828559
