By 1984 spielberg own independent production studio. a) had established b) has established c) had been establishing

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Английский язык: By 1984 spielberg own independent production studio. a) had established b) has established c) had been establishing d) established

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By 1984 Spielberg had estabilished his own independent productionstudio. Верный ответ а)...

By 1984 spielberg own independent production studio. a) had established b) has established c) had been establishing d) established