A. otherwise B. do the dishes C. continent D. dust A. fortunate B. skill C. opaque D. stop A. go sightseeing B. tour C. impression D. accompany A. math B. pack up C. purchasable D. aerial A. punctually B. carton C. Big Ben D. weigh A. humanity B. by taxi C. rescue D. feed on A. Hindi B. together C. double D. environment A. see the doctor B. president C. remote D. ride a bike A. fall behind B. intermittent C. secondary school D. chimney A. musician B. cloudy C. dialect D. versus