请帮忙判断一下这个句子是否有错?We will try our best to reduce pollution sources,use clean energy,and make waste water clean and reuse it.use前不需要再加一个连词吗?用逗号可以吗?

请帮忙判断一下这个句子是否有错?We will try our best to reduce pollution sources,use clean energy,and make waste water clean and reuse it.use前不需要再加一个连词吗?用逗号可以吗? 英语句子改错：But we have some hobbyBut we have some hobby这句话有错吗,有错请帮忙改一下并说说理由, We were very happy that we shouted loudly in the playground这个句子哪里有错?请帮忙纠正, 判断下列句子是否有错,错的请改正 I found it`s wrong 这个句子有错吗?RT如果错了`请帮忙修改一下 请帮忙看一下判断题是否准确? 请帮忙翻译一下这个句子,we have stopped work at three for the first time in years 英语判断是否有错 判断句子是否有错 英文Furthermore,I still like comedies 英语句子是否正确?有错请改一下If we let the situation go as it is ,the pllution will be more and more serious ,by that time ,the environment can not recorved . jim wants to watch the basketball game this afternoon这个句子是否有错?若有,请改正过来. 这个英语句子是否正确?帮忙看下谢谢 如果错了请帮忙改正 谢谢 I stayed with my grandmather for a week of July.请英语教师给一个详细的答案.我认为完成时才能跟一段时间.不知道这个想法是否正确?如果是这样我看到这样一个句子请大家帮我判断一下.请朋友们帮忙 谁能判断一下此句话的对错?若有错请改正（英语）Love means never having to apologize.此句话是否正确?若有误请改正. where does this lion from? 这句有错吗?若有错帮忙修改一下. 但这个句子必须有但这个句子必须有where does this from lion 这几个单词. 帮忙判断一下这个英语句子有没有语法错误Participate in activities from drawing to biking We all have the duty to serve our country.帮忙分析一下这个句子, 帮忙判断一下这句子是否为病句A.自己与父亲的故事B.瘸腿的哥哥和嫂嫂（这两个句子是偏正还是歧义,请给出理由）