問題詳情

【題組】18、( ) The security service personnel ________ every hour to check on the convenience stores.
(A)come up with
(B)make their rounds
(C)pay their way
(D)come to power

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)