問題詳情

4. The police spent much time _____ the wanted man. He was good at changing his appearance.
(A) tracking down
(B) lying in
(C) going too far
(D) running into

參考答案

答案：A
難度：簡單0.833333
統計：A(5),B(1),C(0),D(0),E(0)

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