Years ago we didn't know this, but recent science study ________that people who don't sleep well soon get ill.
--- Be sure to get there on time, ______ you? --- Of course, we ______.
______ the fact that she is still young, she is a remarkably fast runner.
In the middle of the room there is a ______ table, with eight chairs around it.
-- Look! Everything here is under construction. --- What’s the pretty small house that ______ for?
-- Aren’t you cold? --- ______. I’m boiling.