Điền từ thích hợp vào chỗ trống

Very few popular spectator sports today remain amateur in any sense. In the past, even in cases (31) _________
payment to players or athletes was forbidden, many sports tolerated what became known as ‘shamateurism’. This
meant that payments were made in the (32) _________ of expenses, or in some extreme cases, simply made
illegally. More (33) __________ sport has become, in effect, a branch of the entertainment and advertising
industry, and the top performers in sports (34) _________as golf, tennis, football, and track athletics can expect to
become very rich. This in itself worries some people. Where is the old Olympic ideal, they say, and hasn’t the urge
to win been transformed into mere greed for money? But the fact is that sport has become more and more
professional in the wider sense, (35) ________ only requiring total dedication from aspiring champions, but also
requiring expensive facilities, training and medical advice. (36) _________ is just no longer possible to combine a
career in sport with a career elsewhere. And besides, many would argue that top champions deserve large sizes.
After all, (37) ________ shouldn’t they be adequately rewarded for reaching the top of their profession? Perhaps
most criticism is levelled (38) ________ two abuses: The taking of performance-enhancing drugs, and the sheer
lack of entertainment in many team games, where the need to win has effectively stifled all sense of flair. Both, in
a (39) ________, are forms of cheating, and both are difficult to define. For every banned substance, there is
another legal one which can also be said to be a ‘drug’; and where is the dividing line (40) ________ negative tactics
and clever strategy?