Fill in the blank

  • What do you think about our plans for vacation to ... foreign country?
    Что нужно вставить на месте пропуска?
    1) a
    2) --
    3) an
    4) the

  • A

  • jack knows all about photography. He ... four books about it
    Что нужно вставить на месте пропуска? Помогите пожалуйста
    1) has written
    2) have written
    3) have wrote
    4) has write

  • jack knows all about photography. He has written four books about it.
    Можно еще так
    He wrote four books about it in the 20th century