You can only be sure of_________ you have at present; you cannot be sure of something _____ you might get in the future.
--- Oh ! I’ve just broken a window. --- ______. I know you didn’t do it on purpose.
What’s the matter with you? There’sin your project!
—Why are you laughing secretly at me? —You lookin that odd hat.
—What about the protection? —Let’s keep the surfacedirt by putting a cover over it.
—I’m afraid I can’t pass the driving test tomorrow. —! I’m sure you’ll make it.