A. which, what B. that, which
C. what, which D. what, that
A. could B. did C. would D. was
A. being combined B. having combined
C. to combine D. combined
A. refusing B. to be refused
C. being refused D. having refused
A. contribute to solving B. be contributed to solve C. contribute to solve D. becontributed to solving
A. more than the enormous amount of
B. better than most the enormous number of
C. better than most the enormous amount of
D. fewer than the number of
A.should you B.you should C.shall you D.youshall
A. much through the night B. most of the night
C. many parts of the night D. the majority part of the night
A. equivalent B. likely C. alike D. uniform
A. is going B. had been C. was about D. is coming
A. much worse B. less likely C. all else D. let alone
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