When men grow older, their hair often begins to fall out. When hair begins to fall out【C1】______old age, it is impossible to make it【C2】______again. I know a man who found【C3】______his hair was beginning to fall out on his fortieth birthday. He bought some ointment(药膏)and used it on his head.【C4】______ointment was very expensive. It【C5】______$50 for a small can! He used the ointment on his head【C6】______a day. Every day he【C7】______into his mirror(镜子)to see【C8】______his hair was growing again, but the ointment was【C9】______good. Every day more and more hair fell out and【C10】______there was no hair left on his head. 【C8】