题目内容
5. John Baird invented the first television almost 90 years ago.(改为被动语态)
The first television by John Baird almost 90 years ago.
5. was invented
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题目内容
5. John Baird invented the first television almost 90 years ago.(改为被动语态)
The first television by John Baird almost 90 years ago.
5. was invented