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    26．--Our environment is getting Worse than before． --You’re right．But thanks to Earth Day, people have done more and more useful things to protectthe earth since Earth Day ．A．is started B．was started C．has started 【查看更多】

     

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    --Our environment is getting Worse than before．

    --You’re right．But thanks to Earth Day, people have done more and more useful things to protect(保护)the earth since Earth Day               ．

    A．is started              B．was started          C．has started

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