It's not what you do once in ____ while but what you do day in and day out that makes ____ difference.
The man in front of me came to _______a sudden stop ______I almost ran into him.
_______you worked late yesterday, you need ’t have come this morning.
This book teaches us how to analyze _______is causing the stress in our lift.
Martin drove along for more than one hour _____he found a convenient parking place.
—The party will start at 7:00 sharp. Come earlier!—_______. Thanks for your mention.