A.measuresB.criteriaC.principlesD.regulations
A. measures
B. criteria
C. principles
D. regulations
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A.codeB.signC.signalD.indication
A. code
B. sign
C. signal
D. indication
A.expectationsB.pledgesC.declarationsD.commitments
A. expectations
B. pledges
C. declarations
D. commitments
A.collectingB.purchasingC.selectingD.ordering
A. collecting
B. purchasing
C. selecting
D. ordering
A.necessaryB.essentialC.crucialD.fundamental
A. necessary
B. essential
C. crucial
D. fundamental