A. burst B. bud C. anywhere D. play chess A. puzzling B. stationery C. care for D. reflector A. math B. injury C. digital D. answer A. stair B. careless C. operate D. mind A. address B. strata C. peak D. pay attention to A. equipment B. quarrel C. lunar month D. in case of A. numb B. seldom C. Civil War D. cyclist A. occasionally B. safety C. astound D. pick apples A. play against B. spend C. look out D. sweep up A. animal sign B. space travel C. disposal D. truck