A. firecracker B. ground C. born D. hear A. summer B. Disneyland C. porpoise D. underwater A. hinder B. carnivore C. rock climbing D. Big Ben A. clean the door B. them C. meaningless D. alarming A. Sydney Opera House B. ordnance C. entirely D. infection A. English-speaking B. just a moment C. travel D. environment A. straggle B. brush one's teeth C. visit D. from A. seventy B. lake C. harry D. pattern A. reader B. elderly C. riot D. know A. tomorrow B. arrowhead C. sprained D. pray