作者causationist (Ringo)
看板Eng-Class
标题[文法] 想请教一题英文文法~
时间Fri Feb 24 19:40:17 2012
这题是这样的
"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.
" "的部分要选出错误的
不好意思我没有答案
我的直觉是第四个错
但烦请高人告诉我错在哪好吗?
感激不尽
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1F：推 linzh:was not invented 02/24 19:47