Can somebody please help me with these? I'm not very good at them. For all of them, you're just correcting the error of faulty parallelism in the following sentence.

1. Marsha's plan was to practice every day for the recital, to work on trouble spots in the music, and arrive at the concert hall early to steady her nerves.

2. John's choice was either to rescue the bird or allowing it to fend for itself.

3. The hikers knew that the hike was six miles, that it usually required the entire day, and to start after 10:00 a.m. would not be wise.

4. Jefferson was both the writer of the Declaration of Independence and he was the nation's third president.

5. These days getting a good job depends almost as much on whom one knows as to have knowledge in your field.

6. We found the dessert both delicious and filled us up.

7. A hot meal, a warm bed, and resting for two days rejuvenated the weary traveler.

8. Good writing requires knowing your purpose, knowing your audience, and to have an organizational plan.

9. Not only was Jill very ill from lack of sleep, she was malnourished from a poor diet.

10. Today we could go on a picnic, for a long drive, or walk to the park.