81.  A cracker can also eavesdrop using wiretapping, radio, or auxiliary ports on computers, which are used by network programs.

82.  A cricket chirruped suddenly in the tall grass by his ear.

83.  A critical factor appears to be the enhanced influx of external calcium which is taken up by the stores with two consequences.

84.  A cuckoo flew low over the reed bed, to be mobbed at once by two reed warblers.

85.  A culture defined by a government, a religion, or an economic system does not require geographical or racial isolation.

86.  A customary error committed by aquarists is to cling to the opinion that the Aponogeton species do not require a rich soil.

87.  A dark mass trudged towards the entrance to the mill, lit by two lanterns.

88.  A date in late July was set-and went by.