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精英家教網 > 高中英語 > 題目詳情

By the time Jane gets home, her aunt________ for London to attend a meeting.


  1. A.
    will leave
  2. B.
    leaves
  3. C.
    will have left
  4. D.
    left
C
這題考查時態:By the time 表示“在 .....以前”。引導時間狀語從句,用一般現在時代替一般將來時, 根據句意當Jane在將來的某個時間回到家以前,她的aunt將已經赴倫敦參加一個會議去了。可知,描述的是將來某一時刻前已完成的動作。 將來某一時刻前已完成的動作或過程用將來完成時。選C
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