問題詳情

22.(   )Because of the serious water pollution, the river is ______ it was before.
(A)not as clean as
(B)not as clean than
(C)less clean as
(D)less cleaner than

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)