You should change up the wording slightly on these to avoid plagiarism checks, but here are some possible answers. Filling in the blanks,
1. gratitude to his family for the gift.
2. to play the piano because of her mother's guidance.
3. was assuring us that no matter what happened, we would be great.
4. the outcome of the football game.
5. the previous time that I got an A on a test.