阿摩線上測驗
48 In an effort to solve this criminal case as quickly as possible, the investigative team has set up a ________ for members of the public to call in and provide reports.
(A) hotline
(B) committee
(C) security camera
(D) service desk
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統計： A(11), B(2), C(2), D(0), E(0) #3930133
統計： A(11), B(2), C(2), D(0), E(0) #3930133
