A. airline B. ending C. have classes D. whine A. look ahead B. approve C. proper D. illusion A. hear from B. plank C. yard sale D. the Olympics A. stepsister B. partner C. suburban D. phonetics A. serenity B. gun C. so long as D. air conditioner A. customs B. mom C. accent D. vehicle A. standard B. sentence C. possession D. persistent A. anything else B. starfruit C. fairy D. raise A. king B. oxygen C. waterfront D. framework A. fridge B. centimeter C. tremble D. physician