Less Elementary 5-4

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Lesson 5

Practise the use of ‘must not’ and ‘need not’ in the following exercise. Which is correct?

  1. The teams

    have more than 11 players on the field during a match.
  2. But there

    be 11 players playing for each team.
  3. Players

    wear anything which might injure another player.
  4. Players

    play the ball with their feet only.
  5. Substituted players

    return to the game.
  6. Players

    leave the game without the referee’s permission.
  7. Players

    hold an opponent.
  8. The referee

    send a player off if he has committed foul play.
  9. However, if a player is sent off during the game, he

    be replaced.
  10. A period

    be over after exactly 45 minutes.