--Whydidn'tyougototheSummerPalacewiththem?---BecauseI_______therem

发布时间:2020-08-04 20:05:10

--Why didn't you go to the Summer Palace with them?---Because I _______ there many times.A.have goneB.had goneC.have beenD.had been

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D解析had been to“以前已经去过某地”.
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