問題詳情

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

參考答案

答案:B
難度:適中0.507177
統計:A(27),B(106),C(53),D(23),E(0)

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