_____ it is you’ve found, you must give it back to the person it belongs to.
. Be careful when you cross this very busy street. If not, you may _______ run over by a car.
Sarah, hurry up. I’m afraid you wouldn’t have time to ________ before the party.
. Reading is an experience quite different from watching TV; there are pictures in your mind instead of _______ before your eyes.
–I’d like to take a week’s holiday. --_______, we’re too busy.
. A cook will be immediately fired if he is found _________ in the kitchen.