A. fall down B. genius C. drink water D. they A. creature B. mouth C. chocolate D. helpful A. balance B. had C. crater D. charge A. animal B. chemical C. bought D. tin A. cash B. junk food C. navy D. then A. take after B. weariness C. headache D. by car A. strait B. fell C. safely D. clatter A. tsunami B. hospital C. humidity D. sit-up A. thirsty B. son C. pedestrian D. Switzerland A. wheelbarrow B. descend C. happen D. clap