этот ученик не знает ответа, потому

этот ученик не знает ответа, потому что он не выучил урок.
почему ты еще не сделал уроки?
это самый умный человек, которого я когда либо встречал.
в последнее время я не получал от него никаких писем.

Результаты (английский) 1:

the disciple does not know the answer, because it is not learned the lesson.why you haven't made tutorials?It's the smartest person I ever met.Lately I have not received any letters from him.

Результаты (английский) 2:

the student does not know the answer, because he has not learned a lesson.
Why you have not made ​​lessons?
is the smartest person I've ever met.
lately I have not received any letters from him.

Результаты (английский) 3:

The student does not know an answer, because it is not learned the lesson.
why don't you have not yet made a lessons learned?
this is the smartest man, whom I have ever met.
in the last time, I had not received any letters from him.