Fill in the blanks by selecting suitable words from the word bank. You may not use any of the words more than once.A. abolish　B. barrier　C. bored　D. carrier　E. clusters　F. complaining　G. exhaustive　H. foster　I. incentives　J. indebted　K. monetary　L. motion　M. notion　N. reflecting　O. refraining 　　According to a study conducted in the U.K., four out of every five employees are happy at work. Surprisingly, the study revealed that the 1. ____ that people are happy when they have a good salary, isn't true. So, what should people do to keep their spirits up and, at the same time, 2. ____ a sense of joy at work? Here are two suggestions which are believed to be important in achieving happiness at work. 　　Start with a positive outlook. Happiness is a state of mind, 3. ____ an attitude. Staying happy at work is totally based on your motivation and a positive outlook toward your job, not on 4. ____ rewards or material gain. Always remembering the good aspects of the work and 5. ____ from thinking about what makes you unhappy are important to happiness. Negativity and 6. ____ about bad things are easy; it is looking at the bright side that is the difficult part of a job. 　　Challenge yourself. Rather than looking for help and 7. ____ from other people, challenge yourself and take charge of your own growth professionally. Getting 8. ____ with work is one of the primary factors that cause people to switch jobs. So find new challenges and deal with them by making 9. ____ plans and following them. It is a good idea to have help from your manager if you hit a(n) 10. ____, but completely relying on someone for your career advancement is unwise. 　　Facing the problems and challenges at work and tackling them by yourself will give you a sense of accomplishment and help you achieve happiness at work.