помогите пожалуйста с переводом=)

Question

правильно ли я перевел эти предложения? 
Сами предложения: 
Джон, конечно же у меня есть компьютер и я думаю что он нужен. Ведь он очень полезен, благодаря ему в интернете можно найти нужную информацию или что-то еще 
Как ты написал тесты по математике и английской литературе? По какой теме был тест по английскому? Что на данный момент у тебя нового в школе? 
Перевод: 
Jon, certainly I have a computer and I think that it is necessary. After all it is very useful, thanks to it it is possible to find the necessary information in the Internet or something else. 
As you have written tests in mathematics and English literature? On what subject was English test? That at the moment you have a new school? 
если есть ошибки, подправте пожалуйста=)

Ро Ман · Accepted Answer

John, of course I have a computer and I think it's necessary. It's useful, due to it I can find necessary information or something else. 
How did you pass the maths and english literature tests? What subject was the english test on? What's new in the school?

Наташа Метельская · Answer

вроде нет

Татьяна Миронова · Answer

все неправильно, промт? )

Наталья Калинина · Answer

John, certainly I have a computer and I think that it is necessary.After all it is very useful, with its help it is possible to find the necessary information in the Internet or something else. 
How did you writeyour tests in mathematics and English literature? On what subject was English test? Is there anythig new at your school at the moment?

Виктор Лебедев · Answer

Вот моя версия.. . +5 к вашей лени и тупости 
 
Of course I have a computer and I think it's nessesary, John. It's very usefull and it could be used to find desireable information or something else in the Internet. 
 
How did you pass math and english literature tests? What kind of theme was in english test? Is there anything new at school now?