Across
- 5. the darker stage of twilight.
- 6. the state of being watchful for possible danger
- 7. an advantage or profit gained from something.
- 8. paying close attention to something.
Down
- 1. help to cause or bring about.
- 2. absolutely necessary; extremely important.
- 3. occurring or done on many occasion
- 4. able to achieve efficiently whatever one has to do