28. There have been several new events ________ to the program for the 2008 Beijing Olympic Games.(A

問題詳情

28. There have been several new events ________ to the program for the 2008 Beijing Olympic Games.
(A) add
(B) to add
(C) adding
(D) added

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)