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。
      I recently started a new job，in a small office，where four of us share a fridge.In that fridge，there is a Brita water filter pitcher （滤水壶）.
      Lucy was one （1）

of

of

my workmates in the office.One day she complained （抱怨） the water from the pitcher tasted a little "dirty".It went on for a few （2）

days

days

（day），and she was surprised I could drink the water without（3）

any

any

（some） trouble.I started to doubt my taste buds （蕾），but the water really tasted fine.
   I told her that maybe there was nothing wrong with （4）

the

the

pitcher.Finally，she found out the problem was actually her cup.She simply（5）

forgot

forgot

/fə'ɡɒt/ to clean it，and after a while it started to have an effect on the water inside it.She cleaned her cup，and drank the water with no problem.
      I can't help （6）

thinking

thinking

（think） about the world we live in.Too often we quickly blame （责备） other people，other things，anything（7）

else

else

/els/ but ourselves.You're the problem.The world isn't perfect，I know，but I think we should take a step back sometimes，and ask ourselves some questions：Can I be a little （8）

better

better

（good）？Is my heart really pure （纯净的）？Can I help to improve this（9）

situation

situation

/sɪtʃʊ'eɪʃn/ with kindness？
      I want to tell you this：please clean your cup.That is（10）

because

because

when you do it，the water will taste much better.I promise.