A. chemist B. knee C. beeswax D. terribly A. scared B. muddy C. Austrian D. frightful A. lung B. piano C. cheer on D. living room A. defend against B. assiduously C. prediction D. swimmer A. conversation B. combination C. head D. through A. dirt B. expensive C. shore D. energe A. keep cool B. backache C. Russia D. carrot A. zoology B. polar C. concern D. disobey A. handwriting B. see the doctor C. occur D. hilly A. recycle B. carefully C. historian D. grateful