--- Where are the students ? How could they keep us waiting for so long? --- They started an hour ago and they____ be here in fifteen minutes, I think.
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.
You have made a few mistakes in spelling but _______ you have done a good job.