61.  A large number of dependent children are affected by unemployment.

62.  A large number of logged water wells are now included in the database.

63.  A layer of gases, including those which are known as the greenhouse gases, surrounds the Earth.

64.  A legion of policemen and border officials are required to preserve this happy feature of a benevolent nature.

65.  A limiting factor in health care is the way resources are distributed.

66.  A little nervousness is only to be expected when you are starting a new job.

67.  A local team are playing as a curtain raiser to the game between England and Italy.

68.  A longer holiday period away from each other is also valuable if you are looking after the patient full-time.

69.  A longer pair for waders and which are prevented from slipping down by an elasticated band, cost a pound more.