問題詳情

5. Residents are told not to dump all household waste _____ into the trash can;reusable materials should first be sorted out and recycled.
(A) preferably
(B) forward
(C) straight
(D) namely

參考答案

答案：C
難度：簡單0.727273
統計：A(1),B(1),C(8),D(1),E(0)