Wskaż prawidłowe słowo.

I am writing to request 1) farther/further information on the climbing holidays you run. I am 2) most/much interested in climbing, but fear that I will be 3) most/much older than the other participants. Also, I am 4) far/very less fit than I used to be. Nonetheless, I am 5) even/very keener on the sport than ever. So my question is, will there be climbs which are 6) a bit/most easier for older ones like me? In addition, do you do discounts for pensioners? Your holidays are 7) very/even expensive for someone on a low income. I look forward to hearing from you and receiving 8) any/more details.