A. exchange student B. children C. that's all D. mistake for A. old B. pen friend C. hello D. in other words A. adjustment B. scold C. hurt D. am A. pin B. trial C. and D. surprising A. bye B. snow C. assistant D. restrict A. grand B. your C. sleeping D. humorous A. accurate B. tide C. monastery D. I A. opposite B. pat C. scissors D. my A. tweet B. Berlin C. is D. sit-up A. scanty B. should C. crazy D. good morning