A. sleep B. ambition C. proposal D. proposition
A. infectious B. infected C. infection D. infect
A. attracted B. hooked C. infected D. aim
A. challenge B. challenging C. challenges D. challenged
A. professor B. tutorial C. doctor D. tutor
A. corporate B. corporation C. cooperation D. cooperated
A. element B. elemental C. elementary D. elements
A. motive B. motivated C. motivation D. motivates
A. show off B. show up C. show on D. show to
A. take to B. take with C. take off D. take over
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