1.  

Nick, ____ I would very much like to invite to dinner, is a race-car driver.

2.  

______ shoes are these?

3.  

The front-right tire, ____ had been flat for the last 3 km, had to be changed.

4.  

A man, ____ wife has been looking for him, was found unconscious just around the corner.

5.  

The Lady, ____ you just called “ignorant”, is a professor of Physics at Harvard.