While Donkey (sing) __________ "Livin' la Vida Loca", Puss in Boots (prepare) ____________ to attack Shrek.
was singing, was preparing
Prince Charming (wait) ____________ impatiently for Fiona, but Shrek (come) ___________ instead.
was waiting, came
As the Fairy Godmother (sing) __________, Shrek (realize) ___________ that he didn't belong in Far Far Away.
was singing, realized