問題詳情

17.The gym is closed on Monday for routine ____ work. The facilities are kept in good condition by the regular checking and repairing.
(A) disturbance
(B) eloquence
(C) maintenance
(D) alliance

參考答案

答案：C
難度：非常簡單1
統計：A(0),B(0),C(2),D(0),E(0)