A.unlikelyB.doubtfulC.defectiveD.rigorous
A. unlikely
B. doubtful
C. defective
D. rigorous
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A.indicateB.indicatingC.indicatedD.indication
A. indicate
B. indicating
C. indicated
D. indication
A.yetB.stillC.alreadyD.too
A. yet
B. still
C. already
D. too
A.whoB.whichC.whatD.when
A. who
B. which
C. what
D. when
A.selectiveB.definitiveC.choosingD.competitive
A. selective
B. definitive
C. choosing
D. competitive