If you’d written earlier, I’d have known when you      to go on holiday.

I don’t smoke now, but I _______ for more than twenty years. 

—Wow,your picture looks splendid!—I______it on my computer.

Jack doesn’t smoke now, but he ______ for almost twenty years.

------Hey, Emily, I’ve got a used copy of our chemistry textbook for half price. ------ I’m afraid you ____ your money. Yours is the first edition, but we’re supposed to be using the third edition.