問題詳情

31. All of the offices in the new complex ___________ keyless entry systems, video interphones, and 24-houraccess to secure parking.
(A)save
(B)enter
(C) replace
(D)feature

參考答案

答案：D
難度：適中0.478873
統計：A(11),B(13),C(8),D(34),E(0)