____ has been done to prevent the water in the lake from being polluted.

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• ____ has been done to prevent the water in the lake from being polluted.
• 主谓一致 1,None of them is against the plan,_____?A：is he B：isn't he C:are they D：aren't they 2,The students in our class each_____an English dictionary.A:are having B:had C:did D:has been3,Little______done to prevent the air from being polluted.Much ______done to fight against pollution.A:has been;have been B:have;hasC:has been;has been D:have been;have been这三道题不懂的,都是选哪个呢?以及为什么选它?第二题的答案为D：给出的选项弄错了，正确为：A:are having B:had C:has D:have
• ____ has been done to prevent the water in the lake from being polluted.A.LittleB.FewC.OtherD.Many这道题的答案给的是A,为什么选A B、C、D为什么错了?
• ( )has been done to prevent the water in the lake from being pollutedA,little B,few C,other D,many
• 联系句意,按首字母提示写词.（英语）1.Water may be thr most serious problen in the world .Is this s___ you 2.The water c____ only from rivers,lakes and underground .And we can not even use all of that ,because iceberg t_____ some of it .Even w____,some of the water has been polluted.注：给出单词,写出词义.
• 句子分析：Little has been done to prevent the air from being polluted.这里的being是不是名词?作定语修饰polluted?
• 将括号内名词变为适当的形式填入空白1.If no alternatives______(see),it often means that a thorough job of examining the problems has not been done.2.The second half of the nineteenth century______(witness),the first extended translation into English of the writings of Eliphas Levi.3.The more stress you are under,______(likely) you are to catch a cold.4.The robots used in nuclear plants to handle the radioactive materials prevent human personnel from______(expose) to rad
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• It was said that something (do)to prevent the water from being polluted 这里是to do 还是to done
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