21.   With a sharp knife, cut dough intoinch slices.

22.   You know this because you have prodded one of the pieces with the tip of a sharp knife.

23.   You need a sharp knife to fillet fish.

24.   Chop the onions with a sharp knife.

25.   Trim off the excess pastry using a sharp knife.

26.   Peel a thick-skinned orange and square off the ends with a sharp knife.

27.   Using a sharp knife, cut away the pith and peel from both fruits.

28.   Pare the brown skin from the meat with a very sharp knife.

29.   He carefully filleted the fish with a sharp knife.

30.   A sharp knife will cut through the skin of a tomato cleanly.