I can remember very few ____ when he had to cancel his plans because of poor health.
—A new film will be on tonight. Will you go to see it? —If you don't go,__________.
When the factory __________, there will be many new jobs for graduates.
—Look at the timetable. Hurry up! Flight 4062 __________ off at 18:20. —I will.
It__________ long before we __________the result of the experiment.
If you __________ attend the party , you'd better leave now.