A. die out B. another C. maglev train D. incident A. outlook B. traffic light C. sixteen D. travel agent A. go down B. ride C. hip hop D. nineteen A. stop B. take care C. Mercury D. need A. scared B. have a toothache C. forget D. box A. diagnosis B. eleven C. rainbow D. quack A. scare B. big C. dance music D. natural A. steel B. he C. point D. on the weekend A. eagerly B. on sale C. decorate D. feeling A. lifelong B. arm C. fourteen D. queen