___ he _______ (explain) when I go?
was/explaining
____ I ________ (sleep) when you call?
was/sleeping
____ you ______ (drink) soda?
were/drinking
____ you _______ (dance) in the party?
were/dancing
___ I ________ (study) yesterday?
was/studying
____ she ______ (cook) all the morning?
Was/cooking
___ she _______ (write) a new book?
was/writing
_____ they _________ (wait) the bus?
were/waiting
___ I _____ (leave) when you start explaining?
was/leaving
____ you _____ (go) to swim?
were/going
____ they _______(talk) diferent lenguages?
were/talking