A. sodium B. worth C. contaminate D. eyewitness A. riddle B. lamp-post C. rocket D. steer A. remove B. literally C. kindness D. chip A. goal B. on time C. respectful D. thin A. stadium B. parliament C. further D. adolescence A. brief B. greet C. acquaintance D. sketch A. Ms. B. exhibit C. calculate D. protect from A. fact B. child C. painful D. crime A. strike B. exclusive C. ending D. pest A. make a wish B. be supposed to C. musician D. push in