A.optional
B.compulsory
C.voluntary
D.secondary
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A.repose
B.impose
C.expose
D.dispose
A.sympathize
B.concentrate
C.demonstrate
D.maximize
A.appeal
B.connect
C.pierce
D.charge
A.accompanied
B.accounted
C.accelerated
D.accommodated
A.credit
B.creditable
C.creditor
D.credibility
A.corresponding
B.thrifty
C.economic
D.respective
A.fertilized
B.dropped
C.digested
D.starved
A.derails
B.depresses
C.depicts
D.derives
A.dank
B.moist
C.drought
D.digestive
A.fake
B.synthetic
C.reserved
D.artificial
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