Walton, Richard,  1957- <br/><br/>
Focus on first certificate /  Grammar practice for the revised exam / 
Richard Walton. 
 - New ed 
 - 2 v. :  ill. ;  28 cm 
<br/><br/> Previous ed.: 1993 
<br/><br/><label>ISBN: </label>0582290953 0582290961 (Withkey) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--Problems, exercises, etc.<br/>English language--Textbooks for foreign speakers
<br/><br/><label>LC Class. No.: </label>PE1128