Диалог между сотрудником и человеком. поставить this or these excuse me, sir! is your bag? no, it isn't. my bag. ? yes! and, are cds? yes, they are. and are my glasses and is your camera? camera? no, it isn't

Excuse me, sir! Is THIS your bag?
No, It isn't/ THIS is my bag.
THIS one?
Yes!
And, are THESE your CDs?
Yes, they are. And THESE are my glasses
And is THIS your camera?
Camera? No, it isn't