A. outdoor activity B. exist C. strip D. appliance A. bow B. atom C. head teacher D. ageing A. take a dancing class B. astronomer C. pleasantly D. fill With A. balanced B. dioxide C. grape D. spot A. fridge B. pain C. outpatient D. harmful A. thus B. thrust C. sari D. unexpected A. atmosphere B. lately C. toy D. preview A. twenty-seven B. do some cleaning C. motor neurone disease D. cabin A. exam B. chain C. alpinist D. now A. rip off B. give birth to C. try one's best D. controversy