One fresh sunny day， while I was swimming in the water， I felt something special going through my gills （鳃）． It was a different kind of water． I also found many of my friends became sick． Some of them were dying． I began to worry because I didn't want to get sick or die． （A） I also considered what I should do to save my friends． So I decided to do some research for my underwater life．

My research started． At first， I noticed there were many bottles， plastic bags and other kinds of rubbish in the water． Then I went on…I got closer and noticed a man pouring something polluted into the water． It flowed everywhere． Other people saw him do this and they followed him． （B） I found that it ____ ____ （闻起来奇怪）． Then I tasted it． It made me feel terrible． I hated it! I really wanted to tell them that it was killing us! But I couldn't．

I think it is so stupid of people to do bad things to the earth that they are living on! I can't understand why they are doing these People should care about the environment． If they do that， we will not have anything to worry about． I suggest they take my advice． If so， （C） 我相信每一个人将过上幸福的生活．

任务一 请写出（A）处句子的同义句．

（1）I also considered 　　save my friends．

任务二 请在（B）处横线上根据汉语提示填入恰当的词．

（2）I found that it 　　（闻起来奇怪）．

任务三 请将（C）处划线句子翻译成英语．

（3） 　　

任务四 请简略回答下列问题．

（4）What does "I" refer to （指代） in the passage？

　　

（5）What should people do according to the passage？ （答案不超过五个单词）