TheaverageFacebookuserintheUnitedStateshas245friends,ac...
來源：國語幫 2.44W
問題詳情：
The average Facebook user in the United States has 245 friends, according to a study ________ in February.
A．publishing B．published
C．publish D．to publish
【回答】
B
知識點：非謂語動詞
題型：選擇題
