Start studying early and don’t study too much　　.

You cannot be more careful when crossing the street, or you may ___ by cars.   

-- I’ m surprised to hear that Sue and Paul have __  . ----So am I. They seemed very happy together when I last saw them.

—Why not take my car to the museum instead of walking?—No, thanks, ______.

Thanks to Ms Smith, the father and the son eventually________ after ten years’ cold relationship between them.