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27.  How many teams do team sports require?
    => team sports require two separate teams 
Dẫn chứng : There are 2 main kinds of sports: team sports and individual sports.
28.  Why do two separate teams compete against each other?
   => They compele against each other because they want to get the best score
Dẫn chứng : The teams play against each other.
29.  What are team sports sometimes called?
=>  Team sports are sometime called competitive sports.
Dẫn chứng : . Team sports are sometimes called
30.  What kind of team sports did you join?
     => .football 
Dẫn chứng : For example, in a football game, if team A scores 4 goals and team B scores 3 goals, team A wins the game

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`27.` Team sports require two separate teams. (There are two main kinds of sports: team sports and individual sports.)
`28.` They compete against each other because they want to get the best score. (The teams play against each other in order to get the best score.)

`29.` Team sports are sometimes called competitive sports. (Team sports are sometimes called competitive sports.)
`30.` Football. (For example, in a football game, if team A scores 4 goals and team B scores 3 goals, team A wins the game.)