PREPOSITIONS

TIME   
NEW http://www.grammar-quizzes.com/preps_time.html

PLACE

NEW  http://www.grammar-quizzes.com/preps_place.html
NEW  http://www.grammar-quizzes.com/prep-diagnostic.html
 
http://www.englishmedialab.com/Quizzes/preintermediate/prepositions%201.htm
http://www.nonstopenglish.com/exercise.asp?exid=916
http://www.rong-chang.com/ex/preposition01.htm
http://www.rong-chang.com/ex/preposition02.htm
http://www.rong-chang.com/ex/preposition03.htm
http://www.rong-chang.com/ex/preposition04.htm
http://www.isabelperez.com/dictionaries/prep_1.htm
printable exercises :ENGLISH FOR YOUR SCHOOL2