[文法] 想請教一題英文文法~

看板Eng-Class作者 (Ringo)時間14年前 (2012/02/24 19:40), 編輯推噓1(1推 0噓 0→)
留言1則, 1人參與, 最新討論串1/1
這題是這樣的 "Although"the scientific principles" on which"the telephone is based had been "known" forty years earlier, it"had not been invented" by Alexander Graham Bell until 1876. " "的部分要選出錯誤的 不好意思我沒有答案 我的直覺是第四個錯 但煩請高人告訴我錯在哪好嗎? 感激不盡 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.122.43.197
推
02/24 19:47, , 1F
was not invented
02/24 19:47, 1F
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文章代碼(AID): #1FHtSZZS (Eng-Class)