Did you finally succeed _____ convincing them they were wrong?
  A) for
  B) at
  C) in
  D) on

  At the post office he asked _____ .
  A) stamps
  B) some stamps
  C) four stamps
  D) for stamps

  I was born _____ September 9th.
  A) in
  B) on
  C) at
  D) of

  'Where's Peter?'
  'He's _____ on holiday.'
  A) in
  B) gone
  C) been
  D) being

  She writes _____ her parents every week.
  A) at
  B) to
  C) _
  D) for

  I arrived _____ the station _____ a taxi.
  A) to/by
  B) at/in
  C) to/on
  D) into/by
  E) at/by

  I'm not familiar _____ California.
   A) with
   B) of
   C) to

  I worked on a farm _____ the holidays.
  A) for
  B) since
  C) while
  D) on

  He makes reading-lamps _____ old wine bottles.
  A) with
  B) by
  C) out of
  D) of

  My flat is _____ the third floor of the building.
  A) by
  B) at
  C) in
  D) on