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)

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