A. safety belt B. mean C. primitive D. slam A. couldn't B. deduce C. ball D. quicken A. sort B. walking C. fatuous D. social media A. theoretical B. snatch C. inclination D. childhood A. already B. combative C. threaten D. background A. grudge B. competitive C. halt D. June A. contest B. unforeseen C. let's D. tidal A. cause B. disgrace C. oil rig D. power pack A. short B. fragile C. cliche D. pot-holing A. quilt B. disappoint C. goodwill D. vibration