TY  - BOOK
AU  - Allen, W. Stannard. 
TI  - Living English structure : : key to the exercises 
U1  - 425 ALL 23
PY  - 1993///
CY  - London
PB  - Orient Longman
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Grammar
KW  - Problems, exercises, etc
ER  -