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Complete the sentences with the correct form of the verbs . use present perfect passive and past simple passive 2) in 1928 , the first television ) form london to new york 3) since then , billions of tv ) all over the world 4) in the 1970s , tv sets ) to tribes in the amazon 5)but since then , special tv developed) for the people in the tribes 6) many governments and ) for bringing tv into tribal cultures