5. When you work at a nuclear power plant, you have to be extremely ______________. (care) 6. I think we should try something else. That strategy seems way too_______________. (risk) 7. You need to work on your orthography so you don't ___________ (spell) these words. 8. The weather ________________looks bad for a picnic--rainy and windy! (cast) 9. I hate being around Mary Lou, she is __________________. (friendly) 10. Don't laugh at his stupid jokes! You'll only ______________ him to say them again. (courage)