阅读下面短文，根据语境、音标或所给单词的提示，在每个空格内填入一个恰当的词，要求所填的词意义准确、形式正确，使短文意思完整、行文连贯。
This is a story of a man who works in a big factory.I have seen him for years，but I've never paid any（1）

attention

attention

/ə'tenʃn/ to him.He was a little bit weird.He always wore （2）

an

an

old red hat and carried a rubbish bag.He usually spent his break time and his lunchtime （3）

walking

walking

（walk） around in that old big factory and collecting used tins.
   One day，I was fixing one of the（4）

broken

broken

（ break） machines in the factory when this " tin man " came with his bag.As usual，he picked （5）

up

up

the tins.My manager was standing there watching me.
   When I finished my job，I（6）

heard

heard

（ hear） my manager ask the " tin man " about what he was going to do with those tins he had collected.I never even （7）

thought

thought

/θɔ：t/ about this kind of question，because I always assumed（推断） that"tin man"would take those tins to the recycling center.
   Unexpectedly，" tin man " answered，"I will give these tins to my （8）

neighbor

neighbor

.He has epilepsy（癫痫） and can't work."
   I was so （9）

surprised

surprised

（surprise） to hear that，so I asked him，" You mean you collect all those tins just to help your neighbor？"
   "I know this does not help much，"he said."But I give everything to him，because he can't work.He needs help."
   It was the most beautiful moment in my life.It has made me feel humble（谦卑的） every day（10）

since

since

/sɪns/ then.