21. _______ in 2006 in San Francisco, Twitter allows users to
share their thoughts in public, in bite-sized chunks of no
more than 140 characters each.
(A) Finding
(B) Founded
(C) Founding
(D) Funded
詳解 (共 2 筆)
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find (v) 發現;找到 found...
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Founded in 2006 in S...