問題詳情

19.Not only_industrial production use up a lot of water, it also causes water pollution and destroys the environment.
(A), had
(B). is
(C). did
(D). does

參考答案

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