Crosswords by HelenLi

4. state of being alone in solitary isolation
5. the loud noise that you hear from the sky after a flash of lightning
9. or to a lower position than something, or directly under something
10. that you want to thank someone because of something kind that they have done
11. language user's knowledge of words
13. against future loss
14. strongly, as if with a magnet
15. make someone believe something or feel sure about something
18. or doing something often
19. completely and not just partly
20. a fluent manner

1. large mass of ice which moves slowly down a mountain valley
2. who is between thirteen and nineteen years old.
3. powerful flash of light in the sky caused by electricity and usually followed by thunder
6. as it should be
7. a box or bag with a handle and a hard frame in which you carry your clothes when you are travelling
8. by great determination
12. constitutional monarchy in western Europe on the North Sea
16. feelings expressed on a person's face
17. over a long period of time