1. To crack codes, to search for life in outer space. 2. So we have not yet cracked the problem 3. Children enjoy cracking various fire-crackers and fireworks. 4. In other houses , huge cracks have begun snaking through the walls . 5. Crack or freebase is cocaine that can be smoked .6. Crack or freebase is cocaine that can be smoked .7. And the cracking of timber ? 8. And second , the police are n't the crack team everyone would like them to be . 9. And finally the Chinese cracked down. 10. Jesus. I grew up with a crack house across the street.
