UNIT 2

  Click here to learn some vocabulary related to Cloning Pets.
 And here you have a link to Top 10 Pro & Con Arguments about Should performance enhancing drugs (such as steroids) be accepted in sports?

 Writing activities Unit 3
     page 29: exercise 7
     page 33: exercise 6
     page 37: exercise 7

   And here you have a link where you can practise and improve your writing skill by getting it corrected.