1. How long have you been in Egypt?
2. How long have you read this book?
3. How long have you worn these jeans?
4. How long have you worked in the garden?
5. How long have you written this letter?
6. How long have you drawn this picture?
7. How long have you run in the park?
8. How long have you spoken English?
9. How long have you known this girl?
10. How long have you done your homework?
How long have you been in USA?
How long has he studied English?
how long have you listened music?
how long have you learned new words?