阿摩線上測驗
35 Answering questions from students ________ much of the professor’s time.
(A) collected
(B) delivered
(C) occupied
(D) recovered
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統計： A(23), B(37), C(197), D(30), E(0) #3462134
統計： A(23), B(37), C(197), D(30), E(0) #3462134
