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are students allowed allowed are students students are allowed are allowed students
where, qualified tender is lacking，or re-invitation fails where the goods or services in question are special in character and can only be procured from a limited number of suppliers where goods or services can be procured from only one supplier where consistency of the items or compatibility of the services procured requires procurement of additional items or services from the same supplier
are students allowed allowed are students.
students are allowed are allowed students
are freshmen permitted freshmen are permitted permitted are freshmen are permitted freshmen
under way; on the way in the way; on the way on the way; by the way on the way; under way
are freshmen permitted freshmen are permitted permitted are freshmen are permitted freshmen
are freshmen permitted permitted are freshmen freshmen are permitted are permitted freshmen
conclude exclude discriminate undergo
A． Only in very special cases In very special cases only Only very in special cases In only very special eases
conclude exclude discriminate undergo
Only in very special cases In very special cases only Only very in special cases In only very special eases
under way; on the way in the way; on the way on the way; by the way on the way; under way
are freshmen permitted freshmen are permitted permitted are freshmen are permitted freshmen
are freshmen permitted permitted are freshmen freshmen are permitted are permitted freshmen
are people permitted people are permitted people permit do people permit
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