A. open up B. rid C. discard D. torch A. happen B. quarrel C. meal D. please A. early B. have a seat C. ambassador D. exercise book A. oven B. ring C. dustman D. assign A. butterfly B. sing the birthday song C. dark D. satellite A. took B. habitat C. voice D. soft A. parrot B. fragile C. head teacher D. ought A. haemolytic B. anyway C. ratio D. thief A. enter B. lock C. employment D. die down A. story B. creditor C. polar D. nerve