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BeforetheSmithsmovedtoNewYork,theylivedinaquiet___(neighbor)ofBoston.
Peopletodayarehighlyconcernedaboutthequalityoftheairthey___(breath).
We______togotothesupermarketbecausewehadplentyoffood.
Itisessentialthatyou__________anydocumentcarefullybeforesigningit.
宏观经济运行的基础是（）
