A. oval B. according C. the Olympics D. push A. happen B. authentic C. air conditioner D. board A. horizon B. sweet C. reluctant D. starboard A. check out B. smarter C. the same to D. rediscover A. then and now B. microwave C. swap D. honest A. quagga B. ivory C. set the table D. nowadays A. there are B. born C. yard D. now A. opposite B. pretend C. fill out D. beauty A. junior high school B. just now C. wait and see D. civilize A. look down on B. retirement C. no longer D. fire station