21.  Some become so good at it that they fool doctors into ordering needless tests and sometimes even operations.

22.  That prospect is what has driven Gathers to become so good at what he does.

23.  The art of lying was a survival mechanism she honed early to bypass a domineering father and by her own admission, she became very good at it.

24.  Unlike most others, he became good at it.

25.  Many Malaysian drivers have become rather good at anticipating road behaviour.