A. strain B. knowledge C. more D. less than A. checker B. compound C. contradict D. be angry with A. round B. rescue C. thunderstorm D. guitar A. style B. schoolwork C. luck D. grip A. announce B. stressful C. perch D. no longer A. shepherd B. pocket money C. rooftop D. strike A. autograph B. raise C. turn off D. shame A. primary B. come round C. poster D. passer-by A. bill B. consequently C. weaken D. botanical A. yard sale B. absurdly C. consider D. sprout