問題詳情
【題組】70. The gym is closed on Monday for routine ________ work. The facilities arekept 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：適中0.666667
統計：A(0),B(1),C(2),D(0),E(0)