---You haven't lost the concert ticket, have you?--______. I know it is not easy to get another one at the moment, but nowhere can I find it.
I’m glad to see that you ________ a lot of progress since I ________ you last.
-Oh, it’s you, Steve! I ________ you. -No surprising. I’ve just had my hair cut.
I would have come sooner but I ________ that they were waiting.
—Did you find the missing couple in the mountain yesterday?—No, but we ________ to get in touch with them ever since.
—Such a mistake could have been avoided. —Unfortunately, he ________ the mistake again and again.