閱讀下面短文，在空白處填入一個適當的詞，或填入括號中所給單詞的正確形式。
    Once upon a time，there was an old man who usually went to the seaside to do his writing.He had a habit of walking on the beach （1）

before

before

he began his writing.
    One day，he saw a figure （身影） （2）

moving

moving

（move） like a dancer while walking along the seaside.He smiled to （3）

himself

himself

（he） and thought maybe he could see a dance here.And so，he walked faster.
    As he got （4）

closer

closer

（close），he noticed that it was a young woman.She was not dancing at all.Instead，she went down （5）

to pick

to pick

（pick） up something in her hand and threw it into the sea.
    So the old man called out， "Good morning!May I ask what you are doing？"
    The young woman paused，looked up，and replied， " I （6）

am throwing

am throwing

（throw） starfish into the sea."
    "I much ask，then， （7）

why

why

are you throwing starfish into the sea？" asked the old man.
    To this，the young woman replied， "The sun is up and the tide is going out. （8）

If

If

I don't throw them in，they'll die."
    Hearing this，the old man said， "But there are （9）

miles

miles

（mile） of beach and there are starfish all along every mile.You can't possibly make （10）

a

a

difference!"
    Hearing this，the woman picked up another starfish and threw it into the sea.As it met the water，she said， "It had an influence to that one."