500
                                Revise the following sentence to create parallel constructions. 
To succeed in the new economy, workers will have to learn throughout their careers, adapt to changing circumstances, and self-motivation will be needed.  
                                The following sentences are examples of possible revisions that make create parallel constructions throughout the sentence:  
To succeed in the new economy, workers will have to learn throughout their careers, adapt to changing circumstances, and be self-motivated.   
 
To succeed in the new economy, workers will have to learn throughout their careers, adapt to changing circumstances, and motivate themselves.