阿摩線上測驗
44 When officers are driving through the neighborhood, it is important to ________ any suspicious behavior and report it to the station immediately.
(A) utilize
(B) observe
(C) affect
(D) involve
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統計： A(3), B(19), C(1), D(4), E(0) #3930129
統計： A(3), B(19), C(1), D(4), E(0) #3930129
