00332    a2200121   4500020001500000082001300015100001900028245004600047260004800093300001700141650003200158700002000190  a0195620550  a425bTHO  aThomson, A. J.  aA practical English grammar bexercises 2  aOxfordbOxford university pressc1961g1993  a199p.c23cm.  aGrammar of standard English  aMartinet, A. V.