A. safeguard B. run C. go through D. how long A. drawer B. strychnine C. fragment D. guidebook A. colleague B. grandchild C. soccer D. universe A. popsicle B. shower C. fax D. give sb a ride A. senior high school B. conference C. stack D. husband A. vivid B. rubble C. tidy up D. bald A. by plane B. repulsive C. confuse D. crust A. finish B. emission C. traffic police D. sire A. abuse B. scale C. champagne D. Jewish A. become B. gaoler C. Egyptian D. potassium