71.  A resignation would force open the debate and make Dini keep his promise to quit, the Alliance argued.

72.  A route must be led, on sight, without clipping the bolt, to make an ethical statement.

73.  A search through their genes reveals a set almost identical to those that help make the wing of a fruit fly.

74.  A second bug experienced a mutation that allowed it to make use of the acetate excreted from the first.

75.  A sense of urgency begins to make its presence felt.

76.  A sentence spent defining a word or phrase can make valid the rest of your answer.

77.  A similar number said a further increase in court fees would make them more reluctant to litigate.

78.  A simple example will make the concept clearer.