A. dull B. start C. stop doing D. effect A. do some shopping B. in many ways C. giant D. end up A. unpack B. catch fire C. thirtieth D. drill A. skate B. peace C. where's D. trial A. enterprise B. crew C. flow D. judge A. leave B. run C. slip D. parallel A. serious B. tone C. take a message D. smoothly A. sixteen B. Olympics C. translation D. diver A. tense B. quarter C. feed D. progress A. waiter B. hey C. trap D. Wet floor