They believe that there is __________ in the world.
I should very much like to have gone to that party of theirs, but _____.
— Sorry, I forget to post the letter for you. — Never mind, _____ it myself tonight.
— What were you up to when your parents came in? — I ____ for a while and ____ some reading.
I want to buy that kind of cloth because I ____ the cloth ____ well.
— Remember the first time we met, Jim? — Of course I do. You ____ in the library.