問題詳情
30. To prevent sewage from entering the waterways and protect public health, the city councilmanstrongly demanded that the sewage system_in three months.
(A)improved
(B) to improve
(C) was improved
(D) be improved
參考答案
答案：D
難度：適中0.580357
統計：A(4),B(19),C(15),D(65),E(0)
用户評論
【erin】評論
sewage 污水city councilman 市議員
【happyplaykid】評論
demanded that ..... (should) + 原V汙水系統是 被改善 故選D