A.carefulB.carelessC.courteousD.cautious
A. careful
B. careless
C. courteous
D. cautious
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A.eitherB.neitherC.bothD.all
A. either
B. neither
C. both
D. all
A.actB.actionsC.operationsD.transactions
A. act
B. actions
C. operations
D. transactions
A.theyB.whoC.thatD.which
A. they
B. who
C. that
D. which
A.mastersB.ownersC.holdersD.inventors
A. masters
B. owners
C. holders
D. inventors