A. loop B. ping-pong C. athletics D. at the back of A. contented B. enjoy C. primitive D. sailing A. decorate B. comment C. near D. junk A. Infallibility B. litter C. school D. such A. gravy B. everyone C. develop D. the Great Wall A. editor B. alphabet C. pencil case D. fumble A. climber B. rim C. waterfront D. fun A. soccer B. bring out C. suffering D. shake hands A. notebook B. dump C. sunglasses D. analyst A. thrust B. commodity C. Flag Day D. hey