Advanced grammar in use supplementary exercises :  With Answers / 
Simon Haines, Mark Nettle , Martin Hewings. 
 - New York:  Cambridge University Press,  2007. 
 - vii,136 p.:  ill.; 
<br/><br/><label>ISBN: </label>9780521732147 
<br/><br/><label>LC Class. No.: </label>PA2084  / .S53 2007