Nº	Enlace	Autor

1	Practice Strange Questions (Subject and Objct Questions) http://www.bbc.co.uk/worldservice/learningenglish/radio/specials/1535_questionanswer/page53.shtml	Karla Villalobos A. 4 Abr 200704/04/072007-04-04
2	Study Here http://www.oup.com/elt/global/products/headway/preintermediate/	Karla Villalobos A. 4 Abr 200704/04/072007-04-04

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Enlace

Autor

Practice Strange Questions (Subject and Objct Questions)

http://www.bbc.co.uk/worldservice/learningenglish/radio/specials/1535_questionanswer/page53.shtml