The proposal deserves support as it gives ______ to the needs of children.
B
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OneoftheresponsibilitiesoftheCoastGuardistomakesurethatallships______followtrafficrulesinbusyharbors.
Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
Hecomplainedtothebooksellerthattherewereseveralpages______inthebook.