阿摩線上測驗
29. Nowadays some popular YouTubers have millions of ___, who pay nothing to watch their video blogs.
(A) qualifications
(B) revolutionaries
(C) subscribers
(D) whereabouts
答案：登入後查看
統計： A(12), B(27), C(422), D(7), E(0) #2240990
統計： A(12), B(27), C(422), D(7), E(0) #2240990
