1. It is highly __________________ to let small children go out alone when it's dark. (RESPONSIBLE)
2. My father has always been a source of _______________ for me. (INSPIRE)
3. The job wasn't _____________ enough for me - I wanted something more creative. (CHALLENGE)
4. He is ______________ working on his first novel. (CURRENT)
5. You could use the money for ______________ your home. (IMPROVE)
