A. empty B. trusting C. be thirsty for D. ash A. Italian B. hiking C. microscope D. case A. saxophone B. cyclist C. the CN Tower D. have to A. stewardess B. injection C. rider D. training A. helmet B. earn C. generally speaking D. extreme A. first aid B. darling C. broad D. inform A. software B. protest C. advantage D. seal A. passenger B. department C. formal D. firefighter A. cut up B. fifth C. open D. pollution A. encouragement B. pay attention to C. all year round D. collect