Please ______ that you have closed all the windows and turned off the lights before you leave the room
—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.