[文法] was extending vs. has extended

看板Eng-Class作者 (思念天上的你們)時間15年前 (2010/06/24 19:55), 編輯推噓0(004)
留言4則, 3人參與, 最新討論串1/1
When Johns Hopkins University in 1876 joined undergraduate education with the most advanced graduate instruction and research, American education ________ its reach toward the farthest frontiers of scientific and scholarly discovery. _______中可填入的選項有: (A) is extending (B) was extending (C) has extended (D) had being extended 答案為:(B) was extending ============================================================================== 我想請問為什麼(C) has extended 不行呢?? 謝謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.37.58.24

06/24 20:29, , 1F
時態.....
06/24 20:29, 1F

06/24 21:14, , 2F
選C的話, 開頭when要改成Since
06/24 21:14, 2F

06/24 21:14, , 3F
(但文意也有改變)
06/24 21:14, 3F

06/24 21:15, , 4F
原來如此,謝謝上面兩位熱心版友解開我苦思不解的疑惑^^
06/24 21:15, 4F
文章代碼(AID): #1C8qV3Qu (Eng-Class)