A. observe B. spread C. population D. aching A. resign B. eruption C. reunite D. appendicitis A. iron B. telephone C. upward D. legend A. guiltily B. smoke C. take action D. each other A. rotten B. diagnose C. the British Museum D. thanks A. glue B. agency C. fortunately D. pack A. pay attention B. enjoy oneself C. mineral D. billy-goat A. settle B. importance C. breathe D. fluctuation A. come to power B. chorus C. control D. planter A. tramp B. yogurt C. wreath D. plain clothes