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21.Food _______ is a big industry in this area. A.projecting B.promising C.processing D.president 22.We never _______ that John would become a doctor. A.respected B.wondered C.suspected D.estimated 23.Dont be too _______ on your children. They are still too young. A.shine B.internal C.copper D.severe 24.Greater efforts are needed before we can _______ our goal. A.dozen B.attain C.avenue D.reward 25.Eggs are _______ according to size. A.passed B.judged C.graded D.chained 26.He worked in our university as a football _______ for nearly five years. A.clerk B.grain C.coach D.couch 27.The _______ in the river has to be rebuilt. A.court B.cousin C.dam D.damp 28.He designed an experiment in order to _______ his theory. A.demonstrate | 
