I could stay for one or two days, but _____ staying for a week, it’s out of the question.
Tomorrow being the last day, you should hand in your composition by emails to meet the ______.
After losing contact for twenty years, they met again _________ in a party.
Nobody knows how the accident _________. The police are investigating it.
I tried to telephone Mary last night, but I couldn’t ________ after trying again and again.
History is the best teacher. It _________ records the development of every period, whether it is good or not.