1. We prevented them from _____ (kill) the wild animals. 2. There are many _____ (fog) days in London. 3. They were _____ (trap) in the burning hotel. 4. He was quite lucky to stay _____ (live) after the accident. 5. If you still do your homework _____ (care), you will lose the exam again. 6. Every year, a large number of _____ (tour) come here and visit birds. 7. Nature reserves are used to protect _____ (danger) animals. 8. You need more time to practice _____ (play) the piano. 9. Eddie _____ (mop) up the floor from 7:00 p.m. to 7:30 p.m. yesterday. 0. They need some workers _____ (build) the tall building.