A. idiom B. easily C. back to back D. flee A. feather B. temperature C. ill D. police A. fasten B. salesman C. conceited D. record A. particularly B. at war C. tour D. opera A. finance B. crane C. rang D. toxic A. light B. cover C. institution D. push-up A. importance B. example C. sharpen D. shopping A. diving B. redwood C. provide D. binoculars A. foul B. directory C. clearly D. ski A. write down B. adverse C. fact D. threat