Помогите перевести из прямой в косвенную речь
1. "Help me to lay the table"-asked my mother.
2.Mike said to his friend,"My sister knows five foreign languages"
3"Don't open your books, "-said the teacher.

Спасибо большое

My mother asked me to help her to lay the table. Mike told his friend that his sister knew five foreign languages. Teacher told us not to open our books.