---Where is your mother _______?---She _______ to America. She _______ there twice.A.has been; has goneB.has gone; has beenC.has been; has beenD.has gone; has gone
网友回答
B解析have-has been to与have-has gone to has been to someplace曾经去过某地，指现在不在那里；has gone to someplace现在已去了某地或在某地的路上，指现在尚未回来。所以