A. oxygen B. ice C. keep cool D. leading A. computer programmer B. never mind C. strata D. plate A. tourism B. satisfaction C. clothes D. admire A. to be honest B. impossible C. concentration D. span A. warning B. air C. ashamed D. studio A. permanent B. Egyptian C. key ring D. backpack A. phone box B. significant C. urge D. without doubt A. moot B. process C. velvet D. milk A. Brazil B. map C. mark D. in response to A. hand on B. pagan C. later D. produce