Кто хорошо в разбирается. мне просто проверить на ошибки предложения, которые составила.. do you know what the highest mountain of russia is? could you tell me how many time zones there are in russia? do you know which river is the largest of all russia's rivers? can you tell me what cities are the biggest on population in russia? do you know which lakes are largest in russia? если есть ошибка - напишите, , где и в чем.
Could you tell me how many time zones Russia has?
What is the largest river in Russia?
What lakes are the largest in Russia?
Это я тебе ошибки исправил, остальное правильно