Exercise 3

Choose the correct form of the verb...
  1.  [I've just spoken] to him about it.
  2.  [I've never seen] that woman.
  3.  [I've made] a lot of mistakes in my life.
  4. How long  [have you known] each other?
  5.  [Have you ever been] to Peru?
  6.  [Have you cleaned] your room yet?
  7. You look worried. What  [has happened] ?
  8.  [I've lived] in this house since I was born.
  9.  [Have you read] the book yet?
  10. I  [haven't been] there since 1968.