Opportunities intermediate.: test cassette.
Opportunities upper intermediate : test book
Opportunities pre intermediate. Test cassette.
Opportunities upper intermediate. Class cassette 3.
Opportunities upper intermediate. Class cassette 2.
Opportunities upper intermediate. Class cassette 1.
New Opportunities upper-intermediate. Test master.
Opportunities upper intermediate : student´s book /
Opportunities upper intermediate : teacher´s book /
Opportunities upper intermediate : language powerbook /
New Opportunities upper-intermediate Modules 1-6
New Opportunities upper-intermediate
New opportunities upper-intermediate / Class CD 1 of 4 Modules 1-3
New opportunities upper-intermediate / Class CD 2 of 4 Modules 4-6
New opportunities upper-intermediate / Class CD 3 of 4 Modules 7-9
New opportunities upper-intermediate / Class CD 4 of 4 Modules 10, Literature Spots 1-5
New opportunities upper intermediate. Teacher´s book /
New opportunities upper intermediate. Language powerbook
New opportunities upper intermediate. Teacher´s book