Give the correct form of the words: I didn’t know who it was – with a mask on, she was completely _____. RECOGNISE

I didn’t know who it was – with a mask on, she was completely unrecognized. 

Dịch: Tôi không biết đó là ai - với chiếc mặt nạ trên người, cô ấy hoàn toàn không được nhận dạng.