問題詳情

13. If you have any problems with our products, please don't _______ to contact us.
(A) insist
(B) compare
(C) perform
(D) hesitate

參考答案

答案:D[無官方正解]
難度:適中0.5
統計:A(0),B(1),C(1),D(4),E(0)

內容推薦