Put your address if that's where she will be living.
Her most current entry.
In the first line, indicate "Have not yet lived together"
Enter only her name in native alphabet. In first address line, type "address is in English"
Just leave that section blank.
Correct
See inserted answers above. This is not a visa case, so expect this topic to be moved appropriately. Since she is adjusting status, you'll be filing I-485 concurrently and three other forms. Follow the appropriate guide by clicking on the word guides at the top of any page here.