問題詳情

49.If you have any questions, please _________.
(A)do not be polite.
(B)do not hesitate to let us know.
(C)do not forget to tell us.
(D)do remember asking us.。

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)