He was finally given (1) a job (2) for which (3) he had been training half a year (4). Ошибка в 1 - артикль неверный (в предложении работа конкретизируется в придаточной части)
He was finally given the job for which he had been training half a year.
It is announced that (1) all flights to(2) Germany depart from (3) the terminal three.
Ошибка в 3 - артикль не нужен (если числительное стоит после существительного, артикль не используется)
It is announced that all flights to Germany depart from terminal three.
