Liu Yun'e is 88 years old.Saving people's lives is the happiest thing for her.She is very happy to do it： （1）她做這事已經(jīng)70多年了。
    Liu once worked at a hospital as a doctor.After retirement（退休） in the 1990s，she kept on working in the neighborhood for fee.
    Though an old person herself，Liu works at the old people's care，service center every week.She is in good spirits and she can remember things well. "I keep health records of all old people here in my brain，" she said.
    Once，a neighbor Mr.Liao was ill. （2）Liu came to visit him for three months until he got well. "I must thank her for her good care and health advice." Mr.Liao said.
    Another neighbor Mrs.Xu said she and her family went to see Liu every time they were sick for over 10 years.She said， "（3）Doctor Liu always gives help when someone needs it."
    In fact，Liu is more helpful than people know.Some families in the neighborhood are poor and （4）因?yàn)闆](méi)有錢(qián)他們買藥有許多困難。When Liu knew about it，she bought medicine for them.She's helped 12 poor families.She also sends books to the library.What's more，she has asked her husband to help in the neighborhood too.Liu's husband was a teacher.（5）Now he helps children from poor families with English learning for free.
    "It's great to be able to work after retirement.I want to try my best to be a health guardian（保衛(wèi)者） of the neighborhood，" Liu said.

（1）

She has done that for the last 70 years.

She has done that for the last 70 years.

（2）

Liu看望了他三個(gè)月，一直到他康復(fù)。

Liu看望了他三個(gè)月，一直到他康復(fù)。

（3）

Liu醫(yī)生總是在有人需要時(shí)給予幫助。

Liu醫(yī)生總是在有人需要時(shí)給予幫助。

（4）

Because they have no money，they have many difficulties in buying medicine.

Because they have no money，they have many difficulties in buying medicine.

（5）

現(xiàn)在他免費(fèi)幫助貧困家庭的孩子學(xué)習(xí)英語(yǔ)。

現(xiàn)在他免費(fèi)幫助貧困家庭的孩子學(xué)習(xí)英語(yǔ)。