The newspaper will have to close down if it cannot increase its ________ considerably.
D
circulation：(书报杂志的)销售量，发行额，销路。符合句意。
TheultimategoaloflearningaforeignlanguageinaGrammar-Translationclassroomistoenablethestudentsto______itsliterature.
She ________ everything else and concentrated on the task before her.
____yourinformation,wehavereceivedacrowdofenquiriesfrombuyersinotherdirections.()
It is difficult to understand this kind of _______ calculation.