One of the most effective ways of getting ahead in life _____ .
  A) you work hard and regularly
  B) is to be a trustworthy person
  C) know how to solve problems quickly
  D) having invested in personal relationships

  Two dozens of cows _____ lying peacefully in the shade.
  A) were
  B) was
  C) has been
  D) is

  What nationality _____ she?
  A) is
  B) does
  C) are
  D) were

  Everyone _____ in the room now.
  A) are
  B) is
  C) were
  D) weren't

  Where _____ yesterday?
  A) went you
  B) was you
  C) have you been
  D) were you

  He _____ about to give up his job when they offered him a rise.
  A) was
  B) is
  C) has been
  D) had been

  Where _____ Mary and Julia going?
  A) is
  B) are
  C) do
  D) does

  Transport systems _____ likely to change in the future. One probable
  difference is that there _____ more electric vehicles.
  A) is / will be
  B) are / will be
  C) will / are
  D) will / would be

  I know that I _____ late 2 days ago, but this time I _____ late.
  A) am / were
  B) am not / am not
  C) was / was
  D) wasn't / am

  Hello, everybody! I _____ sorry, I _____ late!
  A) am / is
  B) am / am
  C) was / was
  D) am / was