A. hardly ever B. efficiency C. concentrate on D. go on A. concerned B. sportsperson C. near D. lightning A. history B. wares C. kindergarten D. food A. pension B. why not C. straw D. visiting A. goal B. owner C. cricket D. feel like A. severe B. clean my room C. last night D. scientific A. marriage B. base C. applicant D. businessman A. pill B. U-turn C. everything D. excavate A. seashore B. criticism C. advisory D. subjective A. fashion B. department C. in closing D. consumer