問題詳情

【題組】34.
(A)ccording to the passage, where can gray water be used?A in the shower
(B) in the swimming pool
(C) in the dishwasher
(D) in the toilet

參考答案

答案：D
難度：適中0.619048
統計：A(2),B(2),C(4),D(13),E(0)