21 FID in the correct question tag. A: This is the dress you want, 1) ...Isn't It? B: Yes, it is. A: I think this is your size. B: Thank you. It costs fity pounds 2).......? A: Yes, that's right. B: You haven't got the same dress in a different colour, 3)..............? A: No, I'm sorry, ths stron our we've got left. B: Never mind. I like the poloue . A: Would you like to triste IT on ? B: Yes please. The decagon is over there, 4)......? A: Yes. It's next to the se. va rog.