Match the halves of the sentences to explain why people have to or don`t have to do something.

• Объекты 1
  • I have to clean up the blackboard because
  • Mary has to look up a word in a dictionary because
  • Tim has to stay after lessons because
  • You don`t have to get up early tomorrow because
  • I have to buy some bread because
  • I have to stay in bed for some days because
  • Jack doesn`t have to take his dog for a walk because
  • You don`t have to shout because
  • We have to learn the dates by heart because
  • You don`t have to eat the soup because
• Объекты 2
  • it isn`t clean. We can`t write on it.
  • she doesn`t know it.
  • he is on duty.
  • it will be Sunday.
  • we haven`t got any.
  • I am ill.
  • his sister has already done it.
  • I can hear you very well.
  • we are having a test tomorrow.
  • you can eat some vegetables.