We【B1】Thomas Edison, but never【B2】him. We all know he was a great American inventor. Thomas Edison was his full name. Tom was sh

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问题 We【B1】Thomas Edison, but never【B2】him. We all know he was a great American inventor. Thomas Edison was his full name. Tom was short【B3】Thomas. Young Tom was in school for only three months. At school he kept on【B4】a lot of questions. Most of the questions were not【B5】his lessons. Some of them were so【B6】that his teacher could answer【B7】of them. So he got Tom’s mother【B8】the boy out of school. At home she taught him【B9】And she found it【B10】easy to teach her son at home.

选项 A、hear
B、heard of
C、have heard of

答案C

解析 本句意为“我们都听说过Thomas Edison,但从没见过他”。 have heard of为完成时态。
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