阿摩線上測驗
2. Since there was little time left, the teacher gave a _____ explanation before starting the lesson.
(A) dull
(B) long
(C) hard
(D) brief
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統計： A(2), B(11), C(1), D(60), E(0) #3647462
統計： A(2), B(11), C(1), D(60), E(0) #3647462
