00475nam a22001217a 4500020001500000082001400015100001500029245011600044260005300160300003100213650005600244650005300300  a0521398916  a428.2 JON  aJones, Leo  aCommunicative grammar practice :bactivities for intermediate students of English : student's book /cLeo Jones  aCambridge :bCambridge University Press ;c1997.  aiv, 105 p. :bill ; e27cm  aEnglish languagevGrammarvProblems, exercises, etc  aEnglish languagevTextbooks for foreign speakers