1) Happy, 2) Worse ,3) Beautifully, 4) later , 5) Best, paler,6)Harder ,7)Prettilly,8)Politely,rudely,9)Quietly,10)Angrily,11)faster,12)Earlier,slowly,13)nicest,14)Worse,15)More expensive,16)angrily,17)Carefully,18)Suddenly,19)More tired,20)Best,the best