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        1. 精英家教網 > 初中英語 > 題目詳情
          My friend’s flight had taken off _________ I got to the airport to see him off.
          A.whileB.afterC.beforeD.until
          C

          試題分析: 句意:在我到達機場送朋友前,他的航班已經起飛了。while當……的時候, after在……之后, before在……之前,until直到……。take off起飛,see off送行。got to一般過去時,had taken off過去完成時,可知主語動作發(fā)生在從句之前,故選C.
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