Walker, Elaine <br/><br/>
New grammar practice for pre-intermediate students :  with key / 
 Grammar practice for pre-intermediate students 
Elaine Walker, Steve Elsworth. 
 - 174 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0582417104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--Textbooks for foreign speakers<br/>English language--Grammar--Problems, exercises, etc.