A. helpful B. thirsty C. rattlesnake D. at the top of A. zebra crossing B. hillside C. useful D. rights A. less than B. mankind C. penguin D. niece A. athlete B. butt C. infectious D. part A. subway B. turtle C. DIY D. freely A. add up B. tiger C. omen D. unfriendly A. volcano B. sorrow C. sweep away D. monkey A. crest B. stoutly C. elephant D. find A. mouse B. lose face C. groundhog D. relaxing A. pray B. a great number of C. authoritarian D. eye