Read the following text and choose the best phrase to complete the text. Card playing has brought pleasure to millions of people for some six centuries and is popular the world over, so it is not surprising to discover that thousands of games have been invented. There is a widespread belief that all card games (__1__) but the situation is complex and this idea is best ignored. Widely played games (__2__) in much the same way. National and regional games may have official rules published by an organization devoted to the game, but these (__3__) in local and family play. Of course, it is essential to establish a set of rules for club or tournament play, but these (__4__) as rules of the club, not the rules of the game. In homes people play cards for enjoyment and (__5__) and drop rules to suit their tastes. It is because tastes (__6__) and generation to generation that card games evolve. Games that no longer evolve become extinct. No book can do more than (__7__), or are said by other books to be played. Nor should it expect to. The only important thing is that everybody playing around the same table at the same time should be following the same rules. a) are happily ignored b) have official rules c) describe how games are played d) vary from place to place e) should be regarded f) tend to be played everywhere g) will naturally introduce