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    - Why? Tom, your shirt is so dirty! - Mum, I my storeroom downstairs. A. cleaned B. have worked C. was cleaning D. have been cleaning 【查看更多】

     

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    — Why? Tom, your shirt is so dirty!

    — Mum, I _____ my storeroom downstairs。

    A. cleaned      B. have worked         C. was cleaning    D. have been cleaning

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     — Why? Tom, your shirt is so dirty!

    — Mum, I _____ my storeroom downstairs。

    A．cleaned

    B．have worked

    C．was cleaning

    D．have been cleaning

     

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    — Why? Tom, your shirt is so dirty!

       — Mum, I ＿＿ my storeroom downstairs。

    A. cleaned      B. have worked    C. was cleaning    D. have been cleaning

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    —— Why? Tom, your shirt is so dirty!

    —— Mum, I ＿＿＿＿＿ my storeroom downstairs。

    A.cleaned     B.have worked  C.was cleaning     D.have been cleaning

    查看答案和解析>>

    .—— Why? Tom, your shirt is so dirty!

    —— Mum, I ＿＿＿＿＿ my storeroom downstairs。

    A.cleaned     B.have worked

    C.was cleaning     D.have been cleaning

    查看答案和解析>>


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