(2009·湖北) His efforts to raise money for his program were __________ because no one showed any intention to take a cent out of their pockets.
.The number of articles published on smoking ______ amazing.
.The majority of doctors ______ smoking is harmful to health.
.The majority of the damage ______ easy to repair.
.Four-fifths of the crop ______.
.Three-fourths of the buildings ______.