Practice of speech

12345678910
Across
  1. 1. getting asleep
  2. 4. look for a long time
  3. 6. easy to see
  4. 7. have a look fast
  5. 8. difficult to wake up
  6. 9. look with anger
  7. 10. searching for something (usually about science)
Down
  1. 2. make something unknown clear
  2. 3. easy to wake up
  3. 5. sleep very well