Longman essential activator / 

 - 981p. :  ill. 
<br/><br/> Ductionary 
<br/><br/><label>ISBN: </label>9781405815680 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocabulary.<br/>English language -- Usage.<br/>English language -- Study and teaching.
<br/><br/><label>LC Class. No.: </label>PE1460 LON 2006