He was breathing ______ after the relay race. 

We don’t have to keep these old chairs any more. ________, they are falling apart（支离破碎）.

If you have health examinations______, any disease you may have can be discovered early and successful treatment is more likely,

The clerks were at work so ____ that nobody realized it was already lunch time.

I felt ______ tired, but he didn’t stop ______.