TV Sitcoms

What is the name of the British sitcom that inspired the American sitcom "Three's Company"?

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On "Full House", what did Stephanie's friends want her to do in order to be cool?
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Who broke Drew's "Stretch Armstrong" doll on "The Drew Carey Show"?
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What actor/actress did not appear on "Frasier"?
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Complete the name of the TV series, "Parks and ___"?
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What former "Seinfeld" star is in the TV show "Veep"?
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