76.A good diet is b______ to health.
77. These styles can be a______ to suit individual tastes.
78. She is a kind woman,
who always shows s______ for the poor.
79. He is ______(比……年幼) to me.
80. Whales are now an endangered species and in need of c______.
81. The gift you give is a ______(自愿) contribution towards the lives of people in need.
82. We need a man of great ______(进取心) to overcome the difficulties at present.
83. He made the ______(不寻常的) 
discovery that people were willing to give large sums of money to gangsters.
84. We are ______(由衷地) sorry that we have wasted so much time reading
85. The travel agent can offer us a_______ on our trip.
They reviewed each ___(方面) of the plan bit by bit.
used to do ______
Once it is seen, it will never be forgotten.
___ ___, it will not be forgotten.
As he is encouraged by the progress he has made, he works harder.
___ ___ ___ ___, he has made, he works harder.
Aunt Wu came in and she was followed by her daughter.
Aunt Wu came in, ___ ___ ___ ___.