________ to the papers is restricted to Defense Department personnel only.
A、ApplicationC
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Becareful,_______you'llfalldown.
A baby might show fear of an unfamiliar adult, _______ he is likely to smile and reach out to another infant.
Each year in the United States, many black teenagers _______ of school, either because they cannot keep up or they have to work to support their family.
________somanypeopleintheUnitedStatesbeenoutofworkastoday.
I bought this eighteenth century writing desk at a quite ________ price.
