問題詳情
【題組】24.In an automated highway system, all the driver needs to do is ________.
(A)) keep in the right lane
(B)) wait to arrive at his destination
(C)) keep in constant touch with the computer center
(D)) inform the system of his destination by phone
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)