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。
_______ the first language is used in the teaching of the second language in the Grammar-Translation Method.
Evenwiththenewdevelopmentinresearch,onlyatiny________ofalltestsaredonewithoutusinganimals.
Itisbelievedthatgrammaranalysisandtranslationbegantobethebasicproceduresinforeignlanguageteachingfrom_______.
—Whydidn’tyoubuyanewcar?
—IwouldhaveboughtoneifI_______enoughmoney.
They________extensiveandpossiblydangerousactualflighttraining.