1) She approached the new project with wholeheartedness, determined to succeed.

2) Their commitment to the cause was marked by genuine wholeheartedness.

3) Her offer of help was met with wholeheartedness and gratitude.

4) The children sang with such wholeheartedness that it moved everyone in the audience.

5) He appreciated her wholeheartedness in standing by him during difficult times.

6) The team’s victory was a result of their unity and wholeheartedness in their efforts.

7) The speaker spoke with such passion and wholeheartedness that the audience felt inspired.

8) The students showed wholeheartedness in supporting their classmate's initiative.

9) His smile reflected the genuine wholeheartedness of his gratitude.

10) The community rallied together with wholeheartedness to support those in need.