19. A high proportion of the material generated in many commercial establishments is _______. We can learn from recycling professionals and the establishments themselves how to capture these materials and turn them into _______ compost products.
(A) wasteful; improper
(B) wasted; dependent
(C) compressed; selling
(D) compostable; value-added
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統計: A(13), B(29), C(21), D(275), E(0) #87956
統計: A(13), B(29), C(21), D(275), E(0) #87956