-- Robert is indeed a wise man.-- Oh, yes.How often I have regretted _________ his advice!
-I didn’t go to the art show, because I lost my ticket. -You ______ have borrowed mine. I didn’t go to see it anyway.
Had it been possible, I would have gone to attend Monica in the hospital, but I _______ fully occupied last month.
-What’s the matter with John? He has been sitting there for hours. -A postcard from his father ______ an attack of home-sickness in him.
-Would you please buy me a bright paper package when you go shopping? - _________.
You can go out, ______ you promise to be back before 10 o’clock.