問題詳情

69 Please take the free________ , which begins its route at North Park Station, so that we can keep theair in the park as clean and pure as possible.
(A)shelter
(B)butler
(C)cabinet
(D)shuttle

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)