A. gaoler B. mail C. rainbow D. challenging A. envision B. diagram C. convey D. bookstore A. unmanned B. workplace C. washroom D. mule A. staff B. continually C. predict D. convert A. assignment B. go climbing C. direct D. rhythmic A. doorknob B. bathroom C. badminton D. utilitarian A. be proud of B. example C. What a shame D. polite A. yet B. address C. oppress D. escapist A. hire B. stand in line C. uncrowded D. dining room A. actuality B. beneficial C. private D. correct