The noun ospite can be used for a masculine or feminine guest, but you would use a different (indeterminative) article. una ospite -> un'ospite (f) vs un ospite (m, without apostrophe).
Anyway, here is her presentation (grazie mille!). For the videos of this class click here.
Esercizi (review):
1- http://www.italica.rai.it/corso.php
Click English, choose a style, choose the curriculum "by linguistic functions" and ascolta the dialogue "Parliamo di lavoro". Translate it.
Hints: guadagnare = to earn, ditta = azienda = company
2- Read and solve the activities of the section "Espressioni con avere"
http://web.uvic.ca/hispanital/italian/italian100/verbi/index.htm
There is a small error in the text: Italians would say "Ha sempre fretta" not "Sempre ha fretta".
After you solve the crossword, ascolta e ripeti
Espressioni con avere
3- Listen, read, repeat and answer the question after the first slide:
http://www.bbc.co.uk/languages/italian/lj/ingredients/slideshow/index_mac.shtml