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Look, they're trying to help clean the     (pollute) water.

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look like    look after    look around    look for  
look after   look through   look into   look like  
look for  to look for  to find out  find out  
to try to help  trying to help  trying help  to try help  
try help    trying to help    trys to help    try to help  
was the situation; was trying  the situation was; trying   the situation was; was trying  was the situation; trying  
Why not trying it on  why not try on it   why not try it on  why not trying on it  
look for    look out    look up    look after  
Why not try it on  Why not try on it  Why not trying it on  Why not trying on it  
look at    look for    look after    look like  
try help    trying to help    trys to help    try to help  
look at   look into   look through   look on  
would prefer    would like    can’t stand    can’t help  
look for    look at    look after    look over  
Why not trying it on    Why not try on it    Why not try it on    Why not trying on it  
look for    look out    look up    look after  
look for    look at    look after    look like  
look for    look at    look after    look like  
A. trying on    trying out    trying    bothB.and C  

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