閱讀下面短文，根據(jù)語境、音標(biāo)或所給單詞的提示，在每個空格內(nèi)填入一個適當(dāng)?shù)膯卧~。
   Lyu Yun'e is 88 years old.Saving people's lives is the （1）

happiest

happiest

（happy） thing for her to do.She has done that for the past 70 years.
   Lyu once worked at a hospital as a doctor.After retirement （退休） in the 1990s，she kept on （2）

working

working

（work） in the neighborhood for free.
   Though an old person herself，Lyu works at the old people's care service center every week.She is in good （3）

spirit

spirit

（spirit） and she can remember things well. " I keep health records of all old people here （4）

in

in

my mind， " she said.
   Once，a neighbor Mr.Liao was （5）

sick

sick

/s?k/.Lyu visited him from time to time （6）

until

until

he got well. " I must thank her for her good care and excellent health advice， " Mr.Liao said.
   In fact，Lyu is more （7）

helpful

helpful

/ 'helpfl/ than people know.Some families inthe neighborhood are poor and they don't have money to buy medicine.When Lyu knew about it，she bought medicine for them.Lyu's husband was （8）

a

a

teacher.Now he helps children from poor families with English learning.It's free，too.
   "It's great to be able to work after retirement.I am （9）

ready

ready

/ 'redi/ for becoming a health guardian （保衛(wèi)者） of the neighborhood，" Lyu said （10）

proudly

proudly

（proud）.