A. you B. certificate C. several D. classical A. sound B. brigade C. hurt D. fly a kite A. eccentric B. in the meantime C. leave for D. elder A. on air B. up to standard C. flag D. perfect A. centre B. repel C. sphere D. hold A. variant B. rubble C. voice D. master A. sad B. feed C. beggar D. best-seller A. believe B. marquis C. think highly of D. teacher A. environmental B. give a helping hand C. dance music D. novice A. hilly B. olive C. mess D. pop