阿摩線上測驗
43 How often shall fire departments of the municipal and county government carry out _________ disinfection?
(A)periodic
(B)fragile
(C)everlasting
(D)deficient
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統計： A(43), B(23), C(16), D(15), E(0) #1217048
統計： A(43), B(23), C(16), D(15), E(0) #1217048
