Adjustment of Status - I-485

Sunmitted my Application July 12 2018.
Did My Biometric August 2018.
EAD came December 29 2018.
Interview notice March 2019
Interview scheduled for April 18th 8:am 2018.
I went with my wife and lawyer.
We where called in after 30 minutes.
Before we started we sweared and she took my fingerprint and picture
Most of the questions was to my wife
How we meet
The CO asked her to speel my full name and say my date of birth
Asked her where I was born
Where we went to for our anniversary
The name of my siblings
My landlords name
Who pays the landlord
How much I pay the landlord
Why we moved from our former place
Where I work
What airport I came through when I landed
Date I entered united state
Who I was living with
Name of our sponsor
Me-she asked for updated sponsors tax returns for 2019
She asked for the old lease of where I was staying before
My wife's full name,date and place of birth
Her mother's name
Her former place of work
Her mothers address
Where I work presently
Why we decided to have our court wedding in New York
Joint DOCUMENT I went with
Life insurance
Lease
PSE&G
Bank statement checking and savings
Joint Credit card statement
Photo Album.
Then the yes or no questions
My wife missed one question.I got all my questions
At the end the lawyer said we did good that I should ne expecting my GC
I didnt ask the CO any question.
She told us,if she needs anymore evidence she would let us know.
MY QUESTION TO YOU GUYS
she didnt give us any white paper.its that ok??
She also photocopied both of our i.d at the end.is that also a standard protocol??
That same day,My status changed from Interview completed and case must be reviewed till now