A. walk by B. in one's opinion C. suggestion D. how many A. make a mistake B. forty C. frightening D. confirm A. Switzerland B. what C. at dusk D. pleading A. relaxing B. curtsy C. be free D. potassium A. stem B. lung C. make money D. black A. flashback B. visa C. bike D. conclusion A. fun B. source C. submerge D. fall in love with A. South American B. go shopping C. distinguished D. submissive A. sounding B. world C. clothes D. advantage A. electrode B. watertight C. family D. classify