A: Wow, I don't believe I've ever seen your kitchen this clean.
B: __________ could be, I spent hours tidying up.
1. being as filthy as
2. being as filthy as it
3. It being as filthy as
4. It was as filthy as
답은 3 It being as filthy as 인데요
이게 왜 답이에요?? 그리고 2 being as filthy as it은 왜 답이 안되나요??
1
