A. sweet B. not any longer C. bronze D. appoint A. variant B. limit C. riverbank D. after school A. ballast B. secretary C. on the right D. few A. special offer B. tree C. trainer D. medicine A. sir B. free of charge C. bamboo D. prepare for A. stress B. liner C. axe D. nest A. remainder B. precious C. freezer D. diversity A. in theory B. dig C. robot-arm D. grass A. float B. rhino C. impulse D. say A. broker B. consequence C. black rhino D. go in