Поставить в Past Passive ( was, were+3 форма глагола)​

1920 -was transmitted

1925 - was broadcast

1928 - was sent

1936 - were made

1940 - were demonstrated

1947 - were televised

1954 - was earned

1964 - were bought

1983 - was watched

1990 - was shown

Объяснение: