I would recommend to add the missing document and write a cover letter explaining your situation and add the copy of CIC return letter.
No need to pay the fee again. Just send the application with the receipt of fee payment (done originally).
Hi admin,
Can you please add me to the spreadsheet. My details below:
ID: vanmoose
App. Sent: December 9, 2018
App. Delivered: December 12, 2018
Location: Vancouver
App. Type: Single
Physical presence days: 1500
AOR: February 7, 2019