A. Houston Rockets B. versus C. bull D. oxygen A. sour B. matador C. mournful D. playing A. per B. backward C. not so good D. caller A. hard-working B. sceptical C. remark D. discard A. average B. umbrella C. concentration D. source A. erect B. farmer C. brave D. spectacle A. kiwi fruit B. electricity C. footstep D. boot A. horsepower B. link C. prizefighter D. dance music A. duck B. glint C. sympathetically D. sandstorm A. thankfully B. plane C. safety D. punctuation