A. What happened B. reservoir C. remark D. full-time A. sky B. large C. justice D. zero A. interesting B. quack C. rattle D. after class A. rip off B. telly C. cloud D. technique A. home B. remains C. fly away D. mighty A. not at all B. sunny C. separate D. replace A. climb up B. forty-five C. heat up D. neighborhood A. drink B. gusher C. day by day D. competitive A. watchtower B. memorable C. wonderful D. ant A. lose B. afford C. hurry up D. colourful