阿摩線上測驗
18. We know from the passage that YouTube originated from ____________________.
(A) a research by PayPal
(B) a conversation at a party
(C) a video shown on TV
(D) an e-mail among friends
答案：登入後查看
統計： A(64), B(294), C(135), D(71), E(0) #704783
統計： A(64), B(294), C(135), D(71), E(0) #704783
