20.The river is heavily _____ with toxic wastes released by nearby factories.(A) contaminated　　(B) c

問題詳情

20.The river is heavily _____ with toxic wastes released by nearby factories.
(A) contaminated　　
(B) contributed　　
(C) critiqued
(D) carved

參考答案

答案：A
難度：適中0.5
統計：A(10),B(1),C(6),D(1),E(0)

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