[SC. ] OG71題

看板GMAT (GMAT入學考試)作者tuesady (tuesady)時間11年前 (2014/09/28 01:14)推噓0(0推 0噓 0→)

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Along the major rivers that traverse the deserts of northeast Africa, the Middle East, and northwest India, the combination of a reliable supply of water and good growing conditions both encouraged farming traditions that, in places, endure in at least 6,000 years. (A) good growing conditions both encouraged farming traditions that, in places, endure in (B) good growing conditions encouraged farming traditions that have, in places, endured for (C) of good growing conditions have encouraged farming traditions that, in places, endured for (D) of good growing conditions both encouraged farming traditions that have, in places, endured (E) of good growing conditions encouraged farming traditions that have, in places, been enduring for 我想要請問 E 除了 combination of X and Y 錯誤之外，為什麼用have been enduring 是錯的呢？因為為他說endure in at least 6,000 years 持續了6000年到現在並沒有不確定有沒有停止，所以我不知道該從哪裡判斷用現在完成式會比現在完成進行式好謝謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 66.62.136.142 ※ 文章網址: http://www.ptt.cc/bbs/GMAT/M.1411838084.A.DB9.html