Choose the correct verb form. a) how long has gulnar been living / does gulnar live in astana? b) she has been finding / has found a job. c) samat has gone / has been to germany. d) how long has zangar known / has zangar been knowing gulnar? e) zangar has been promoted / has promoted on his job. f) gulnar's parents have bought / have been buying a flat in astana. g) gulnar has been engaging / has been engaged to nurzhan. h) zangar has worked / has been working hard.