do you know who--------(invent) the tv set?

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do you know who--------(invent) the tv set?
do you know who--------(invent) the tv set?

do you know who--------(invent) the tv set?
invented
你知道是谁发明了电视机?
电视已经“发明”出来了,毫无疑问,用一般过去时.
希望我的回答能够帮到你,

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Invented