Question

 read and answer the question;what mistakes does alex make? is he always polite?           alex: helloy! kolya, is that you?                                                                                                         kolya's sister: sorry, kolya's not in at the moment. who's speaking?                                       alex: oh! kolya is not in! bye! ответы на вопросы

Answer 1

это грамматические ошибки которые сделал Коля
helloy- hello
is that kolia-is it Kolia
is not in-isn't at home

Answer the qestion:
Kolia is not polite...