This is a physically (9) activity and we recommend that you begin training 6 months to a year before your Denali climb.Đoạn văn9/32This is a physically (9) activity and we recommend that you begin training 6 months to a year before your Denali climb.exhaustion exhaust exhausted exhaustingGiải thíchĐáp án đúng: D exhausting (a): mệt mỏi