A. radiation B. for a while C. walk on D. pool A. put in order B. anger C. cut rice D. sprain A. faint B. undertaking C. onion D. ceremony A. layer B. drainage C. hostel D. plank A. happen to B. absorb C. kettle D. pencil sharpener A. treat B. great auk C. environmentalist D. jerky A. trivial B. stab C. easy D. stuntman A. milestone B. rope C. rob D. variety A. footprint B. scissors C. stand for D. morning exercises A. port B. we C. nest D. throat