Вставьте артикль а или the где необходимо 1.derek is teacher in school in london. 2.it takes him about half hour to get to office. 3. he's man whose dog we found on the beach yesterday. 4. you can buy milk and butter in shop on corner. !

1.Derek is а teacher in а school in London.
2.It takes him about half hour to get to his office.
3. He's a man whose dog we found on the beach yesterday.
4. You can buy milk and butter in a shop on a corner.