Помогите исправить ошибки 1. I wait for you since 9 oclock 2. Has it stopped raining yet? 3. How long are you reading this book? 4. You look tired. Did you prepare for exams? 5. I wrote a postcard to Jane.

1. I have been waiting...
2. тут не вижу ошибки
3. Have long have you been reading this book
4. Have you been preparing
5. Здесь нет никакой ошибки, только если ты правильно написал задание