Как долго они работают? Напишите ответы, используя since или for.

Например:

Не has been a policeman since 1948.

She has been a doctor for a few years.

She has been a dancer since she was 12.

She has been a teacher since 1983.

He has been a shop assistant for 5 years.

He has been a fisherman for 10 years.