---You seemed not to be interested in the story yesterday.
---Yes. I it in a magazine before.
---Could you do me a favour and take the box up to the six floor?
---______. No problem at all.
---Sorry, I didn’t break the plate______.
---Forget about it.
---What's made you so ______?
---Losing three tickets to the pop music concert.
---Could you give me an explanation ______ your keeping silent throughout the discussion?
---Oh, terribly sorry. I had the least idea of what ______. I would have made a complete fool of myself if I had said anything.