A. Chinese B. abundant C. lung D. by bus A. insure B. playground C. play D. criminal A. oil rig B. raid C. central D. lesson A. go to B. complex C. train D. tragic A. subdue B. good C. science D. play the piano A. get into the habit of B. timetable C. fortune D. distribute A. music B. landmark C. cupboard D. tipster A. slide B. tall C. fun D. crane A. imperceptible B. envelope C. pester D. subject A. art B. in silence C. come down D. easy-going