Look at the floor , Tom ! _____you watch TV while having a meal?
___________ you've got a chance, you might as well make full use of it.
I've visited a lot of different places and stayed in lots of different hotels, but none of them____________ this one.
--Can I help you? --I'd like to buy a present for my father's birthday, ___________ at a proper price but of great use.
My pain ___________ obvious the moment I walked into the room, for the first man I met asked me pitifully:" Are you feeling all right?"
__________ in thought,he almost ran into the car in front of him.