61.   Seeking clarification from one who should know, we are told that Mr Smith is short on pessimism.

62.   Sewer rates, which are included on water bills, would not be affected.

63.   Systems integrators and resellers are thin on the ground, and there is little home-grown technology.

64.   The fossil record is silent on this transition, but the earlier stages of mollusc evolution are becoming clear.

65.   The man with the feather brush is indispensable in the highest ceremonials, and is present on the most ordinary occasions.

66.   The sun was warm on my back, but the south-easterly wind took the edge off the stifling heat.

67.   These are Marketed under various names, including Rehidrat, Dioralyte and Gluco-lyte, and are available on prescription.

68.   Though they are close together on the couch, there is in fact a chasm between them.