A. keep on B. tidy C. amazing D. human A. astronaut B. law C. justice D. lecture A. shorten B. peace C. laser D. do some shopping A. have a try B. slow C. taste D. over and over again A. try on B. bone C. deed D. environment A. shining B. they're C. priority D. part A. impossible B. opposed C. bye-bye D. die for A. pollute B. communication C. magnetize D. dacing A. volunteer B. directory C. marble D. side A. businessman B. Japan C. already D. prescription