Ответ:

  1. а) Are you twenty-five?

    б) How old are you?

  2. а) Have you got twenty-five pencils?

    б) How many pencils have you got?

  3. а) Is he ten?

    б) How old is he?

  4. а) Has he got ten notebooks?

    б) How many notebooks has he got?

  5. а) Is his aunt in her early forties?

    б) How old is his aunt?

  6. а) Is your grandfather in his early sixties?

    б) How old is your grandfather?

  7. а) Have you got two tents?

    б) How many tents have you got?