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    ----- Have you heard of Earth Day ? ----Yes . The first Earth Day in 1970 to educate us to protect our planet . A. celebrates B. celebrated C. is celebrated D. was celebrated 【查看更多】

     

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    ----- Have you heard of Earth Day ?
    ----Yes . The first Earth Day ______ in 1970 to educate us to protect our planet .

    A．celebratesB．celebratedC．is celebratedD．was celebrated

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    ----- Have you heard of Earth Day ?

    ----Yes . The first Earth Day ______ in 1970 to educate us to protect our planet .

    A．celebrates         B．celebrated         C．is celebrated       D．was celebrated

     

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    ----- Have you heard of Earth Day ?
    ----Yes . The first Earth Day ______ in 1970 to educate us to protect our planet .
    A．celebratesB．celebratedC．is celebratedD．was celebrated

    查看答案和解析>>

    ----- Have you heard of Earth Day ?
    ----Yes . The first Earth Day ______ in 1970 to educate us to protect our planet .


    1. A.
      celebrates
    2. B.
      celebrated
    3. C.
      is celebrated
    4. D.
      was celebrated

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    — Have you heard of  Earth Day?
    — Yes. The first Earth Day _____ in 1970 to educate us to protect our planet.      
    [     ]
    A. celebrates      
    B. celebrated    
    C. is celebrated    
    D. was celebrated

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