A.The smoother;the greater
B.Smoother;less
C.The rougher;the greater
D.rougher;greater
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A.in which
B.on which
C.by which
D.from which
A.examined;are not having
B.had examined;would not have
C.had examined;would not have had
D.should examine;would not have
A.can we solve
B.we can solve
C.we will solve
D.can we solved
A.represent
B.represents
C.representing
D.being represented
A.will set
B.shall set
C.set
D.sets
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