TY  - BOOK
AU  - John y Liz Soars
TI  - Headway Teachers Book. Intermediate
T2  - Oxford English
SN  - 0194335577
U1  - 421 
PY  - 1993///
CY  - New York
PB  - Osford University Press
KW  - Ingles
N1  - Present simple and present continuous.--Present simple.--Past simple and past continuous.--Teachers book
ER  -