A.dueB.extraC.sufficientD.supplementary
A. due
B. extra
C. sufficient
D. supplementary
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A.authorityB.expertC.supervisorD.superior
A. authority
B. expert
C. supervisor
D. superior
A.sortB.typeC.kindsD.groups
A. sort
B. type
C. kinds
D. groups
A.easygoingB.comfortingC.carefreeD.relaxing
A. easygoing
B. comforting
C. carefree
D. relaxing
A.peersB.colleaguesC.friendsD.equals
A. peers
B. colleagues
C. friends
D. equals