3) Complete these superstitions

1. If a cat washes behind its ears, it will rain; 2. If the bride makes her own dress, it will bring bad luck; 3. You catch a cold if a cat sneezes three times; 4. If you open an umbrella indoors, it will bring bad luck; 5. Something bad will happen to you if you walk under the ladder; 6. If you take the last piece of bread on the plate, you will be unlucky; 7. If you have an itchy nose, you will have an argument with someone soon.