21.   Confidence was growing, although key hardware and procedures needed to reach the surface had yet to be tested.

22.   Each week their confidence grew.

23.   Her confidence grew, and things started to click.

24.   Her confidence grew.

25.   Her confidence grows.

26.   His confidence grew when he made it into the Tanglewood scholarship program two summers in a row, playing under Leonard Bernstein, Gunther Schuller, and Luciano Berio.

27.   His confidence grew.

28.   His willingness to be critical has increased as his confidence has grown, providing viewers with additional insight.

29.   His confidence grew with the ap- plause lines.

30.   If confidence between the different nations grows, more and more tasks will be entrusted to the security organization.