問題詳情
35. In singing contests, you can see people ____ their favorite songs and they spend lots of time ____ for the contest.
(A) to sing; to prepare
(B) to sing; preparing
(C) singing; to prepare
(D) singing; preparing
參考答案
答案：C
難度：適中0.475
統計：A(4),B(5),C(19),D(10),E(0)