Complete the sentences with the proper words in the box . Change the form if necessary. extraordinary challenging suggestion shelter eventually succeed addicted energy commitment inspire 1. It ’ s a job and demands great courage. 2. We in repairing the engine with their help . 3. George became to computer games at an early age. 4. What do I have to make to join this organization ? 5 . His spirit carried on, and it all of us to achieve more. 6. He is a man of willpower(意志力). 7. Why invest time and in something we all hate? 8. I f you work hard, you will be able to earn it back . 9. Someone came out with a most useful . 10 . Not everyone has even this most basic .