TY  - BOOK
AU  - Swan, Michael
TI  - Practical english usage: : diagnostic tests to accompany practical english usage 
SN  - 9780194311700 (pbk)
U1  - 428.24 
PY  - 2010///
CY  - China
PB  - Oxford University Press
KW  - English language
KW  - English grammar
KW  - English Usage
KW  - Practical English
KW  - Common Errors
KW  - Vocabulary
KW  - Tenses
KW  - RILL
N1  - Answer Key also available
ER  -