20. My uncle ________ to San Francisco for a business exhibition there. He will be back next week.
(A) has been
(B) has gone
(C) was gone
(D) was been
詳解 (共 2 筆)
未解鎖
（文法題）（秒選）My uncle __...
未解鎖
My uncle has gone to...
私人筆記 (共 2 筆)
未解鎖
本題是文法題，答案是 (B) has g...
未解鎖
My uncle ________ to...
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