A. always B. play the piano C. constructively D. medicine A. leisure B. each C. shot D. understanding A. overboard B. acute C. prime D. spring A. task B. up to C. computer programmer D. special A. random B. stay up C. twenty-third D. saxophone A. plant B. miaow C. cassette D. by the time A. ozone layer B. other C. tooth D. check A. pennant B. marquis C. cheer D. sure A. modern B. dry C. slowly D. P.M. A. truck B. broker C. Canadian D. extinction