29. Great changes _____ in the city, and a lot of factories _____.
__________! Let’s go there and have a look at it.
My father bought me _____ mp3, but I lost _____ mp3 yesterday.
_______the room,I found my cat lying on the floor,dying.
The noise _______ by the machine could be heard at night.
The film _______ for twenty minutes when they got to the cinema.