Is strange singular, approbation, or mercenary

Which pair of uses of figurative language from "the caged bird" support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams

Akeyword should be just as confusing as the word you are trying to learn so you learn to concept them

Correct sentence. when her brother boarded the ship bound for america, christina stood on the pier and tearfully waved goodbye.