21.   The funds were used to fill a budget shortfall when his investment strategy went awry.

22.   These locks are ordinarily used to fill the corners of old-fashioned window and door casings, and are sold in lumber and building supply stores.

23.   These savings have not materialized and the new money will now be used to fill the gap.

24.   What can I use to fill some hairline cracks in the mortar?

25.   Down the runway, local workers used picks and shovels to remove dung and rocks that the Taliban used to fill craters left by U.S. airstrikes.

26.   More and more Vietnamese women are being used to fill the gap.

27.   The cement also has been used to fill spinal voids caused by osteoporosis, a disorder that embrittles natural bone.

28.   The sand will be used to fill drums which would be placed behind the condemned to stop bullets.

29.   The sand would be used to fill drums placed behind the condemned to stop bullets.

30.   The water that ends up sloshing around your ankles can be used to fill up the toilet cistern or even for watering your flowers in the front garden.