問題詳情
34 The ticket is ______. You can get your money back by filling out this online application form and sendingyour ticket to the following address.
(A) reusable
(B) disposable
(C) economical
(D) refundable
參考答案
答案：D
難度：適中0.666667
統計：A(0),B(1),C(0),D(2),E(0)