A. rugged B. slow C. first floor D. eighty A. mother tongue B. How about C. all right D. suburb A. noise B. stocking C. secure D. fifty A. remove B. give out C. increasing D. toothbrush A. institution B. to start with C. rabbit D. floor A. premium B. air hostess C. crayon D. disco A. forty B. cinema C. go on spring outgoings D. scour A. gap B. see you tomorrow C. teahouse D. seventy A. dynamic B. delightful C. tribe D. seventeen A. clean-up B. brother C. thirty D. ow