A. least B. by boat C. midnight D. element A. sneeze B. outside C. good-bye D. dirty mark A. ground B. play the piano C. first-ever D. hawker A. dictionary B. car pool C. scornfully D. preside A. monitor B. ask for a ride C. exclaim D. fall over A. practice B. bridge C. fibre D. unaware A. say thanks to B. remember C. virtual D. rice dumpling A. adopt B. London C. sometime D. other A. agency B. become interested in C. kid D. tool A. vicious B. fast C. catch D. uncertain