Выполните задание. Как будет по английски.в моей комнате есть большой стол за которым я делаю уроки

in my room there is a large table at which l do may homework
-------
1 Вариант предложения: In my room, there is a big table, where I do my homework.


2 Вариант предложения: There's a big table in my room. It's needed for doing my homework. 


3 Вариант предложения: In my room I have a big table, which I use for doing my homework for school.