Исправьте ошибки: l. i'm busier than my little sister. 2 london is more old then new york. 3. it's the most sharp pencil i have. 4. do you know the shortest way to the station. 5. this exercise is more difficult than that one. 6. be activer at your lessons, please. 7. she is the most pretty girl i've ever known. 8. the boy is as taller as his father : з