問題詳情

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

參考答案

答案:B
難度:適中0.48265
統計:A(111),B(153),C(17),D(14),E(0)

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