A. vowel B. obligation C. flight attendant D. notebook A. cooperate B. tool C. quagga D. doctor A. kiss B. at school C. rooster D. Saturday A. exclusive B. tidy C. headmistress D. tooth A. scraper B. dare C. look D. sort A. doormat B. licked C. woolen D. sediment A. register B. full of C. brown D. neighborhood A. charge B. need C. zoo D. ridge A. root B. the thing is C. status D. weed A. ask for help B. puzzling C. slurp D. football