________, John has been to several foreign countries.
B
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Thestudentfoundthenovel_______.Itprovidedhimwithsomuchinformationaboutthesubject.
________withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.
SinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.
Thewealthofacountryshouldbemeasured________thehealthandhappinessofitspeopleaswellasthematerialgoodsitcanproduce.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.