問題詳情
20. I am delighted to extend a special welcome to our distinguished guests who have _____accepted the invitation to participate in this activity.
(A) painstakingly
(B) graciously
(C) functionally
(D) potentially
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)