31.   While Trimble and Mallon proved their mettle as leaders, they will be tested again in September, when the new assembly reconvenes.

32.   While the list of undefeated teams was trimmed, Miami proved its mettle.

33.   Besides crafting and managing policy, legislators and officials at state levels prove their mettle for bigger jobs.

34.   Both teams are in top physical condition and have proven their mettle with tough victories.

35.   Delgado has had little time to prove his mettle in the English Premiership due a nagging knee injury that cost him most of February and March.

36.   Even as a new star was marking his arrival, veteran Tillekeratne was fighting a different kind of battle to prove his mettle.

37.   He cited the campaign to give the new cabinet six months to prove its mettle, as an example of a misplaced critical attitude.

38.   In the realm of electrical products, Malaysia is proving its mettle.

39.   Once the initial test platoon proved its mettle, the floodgates opened to other volunteers.

40.   Or it could spur the struggling side to bounce back and prove its mettle.