1.                                      
  a.He may not know the answer to this chemistry problem.            
  his field Is physics.    
B. Reading
      What is a computer? 
  1   computers are changing all our
  Lives and also old ways of doing    
  Things with their superhuman      
  Speed. They come in different       
  Sizes – from very large to small     
  Pocket-sized ones. 
  They can almost be used in any      
  Field of activity. No one can deny 
  Their influence and importance.
   Speaking 2
  Substitution Drills
  Substitute the word(s) in the pattern sentences. Make changes if necessary.
    A) Very good cars can be made in this factory.
  1. must
  2. may
  3. will
  4. should
    Speaking 3
  Give Yes or No answers.
  Example: Can this bicycle be repaired?
  No, it can’t be repaired.
      1. Can this building be completed today?