00931nam a2200157 450000500170000000800410001702000180005805000250007610000290010124500650013026000600019530000350025550504020029065000510069270000300074320231102151937.0160607s2001 nyua|||| |||| 00| 0 eng d a9780194353762 4aPE1128.A21bS63 20011 aSoars, Lizd1945-eautor10aAmerican Headway 1 b : Workbookc, Liz Soars and John Soars3 aNew Yorka; Oxfordb: Oxford University Pressc , 2001 a84 páginasb : ilustraciones1 aam/is/are Possesive adjectivs Vocabulary and pronuntianios a or an? Check it Numbers Questions and negatives Possessive's Plurar nouns Numbers and prices Present simple Writing Present simple Adverbs of frecuency There is/are, some/any-prepositions this/that/these/those Can/can't was were Past simple Present simple and past simple Count and non counts nouns How much? anfd How many? Comparatives14aINGLESxESTUDIO Y ENSEÑANZAxLIBROS DE TEXTO1 aSoars, Johnd1951-eautor