✨ คำตอบที่ดีที่สุด ✨
I suppose (this is where an old church used to be).
S : I
V : suppose
O : (that) this is where an old church used to be
that this is where an old church used to be
S : this
V : is
C: (the place) where an old church used to be
「ここは以前古い教会があった場所だと思います」
ありがとうございます!!