問題詳情

【題組】12. Tons of ______ and industrial wastes, and millions of gallons of sewage areflushed into the sea every day.
(A) domestic
(B) urgent
(C) permanent
(D) dominant)

參考答案

答案:A[無官方正解]
難度:適中0.5
統計:A(2),B(2),C(2),D(0),E(0)