They own two cars, not to _____ a motorbike.
Jumping out of ____ airplane at ten thousand feet is quite _____ exciting experience.
Please remind me _______ he said he was going. I may be in time to see him off.
He _____ up the car, hoping to arrive home before dark.
I have worked with children before, so I know what ______ in my new job.
Though _______ money, his parents managed to send him to university.