A. by means of B. Piccadilly C. navigator D. any time A. social worker B. North Pole C. rail D. chat show A. crawl B. smile C. kiwi fruit D. tricycle A. nucleus B. slave C. decrease D. generous A. champagne B. grateful C. swimmer D. Moscow A. appliance B. penholder C. for the first time D. shy A. choose B. shatter C. birthplace D. educated A. noble B. unhappy C. a pair of D. bath A. scientific B. straight C. evolve D. tidal A. sketch B. leave for C. make D. stir