A. wing B. usually C. paradise D. pitfall A. decision B. computer programmer C. heavy D. compete A. brick B. nothing C. latter D. little A. truck B. ensue C. horn D. hesitate A. fifty B. behind C. supply D. put down A. whistle B. clearly C. Canada D. their A. design B. shout C. peel D. Vietnam A. come down B. picture C. them D. inside A. quagga B. music television C. bigger D. pull-up A. cardboard B. later C. global warming D. chain