ColumbusAmerica and Edisonlights. A.

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Columbus______America and Edison______lights. A.
discovered,discovered
B.invented,invented
C.discovered,invented
D.invented,discovered

C
这里考察discover和invent的区别.
discover意为“发现”,指发现已存在的东西；而invent意为“发明”,指发明以前不存在的东西.
这里哥伦布发现美洲大陆,而爱迪生发明了电灯.

Columbus______America and Edison______lights. A. a thousand and one a boy and girl month and a half “a hundred and come and have a a black and white two and a half come and a a father and son a white and black beauty and a