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    26． I'm willing to help, I do not have much time available． A．While B．When C．Once D．Since 【查看更多】

     

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    _____ I'm willing to help, I do not have much time available．

    A．While                        B．When                        C．Once                      D．Since

     

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    _____ I'm willing to help, I do not have much time available．

    A．While       B．When       C．Once       D．Since

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    ______ I'm willing to help, I do not have much time available．

           A．While       B．When       C．Once       D．Since

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    26．______ I'm willing to help, I do not have much time available．

           A．While       B．When       C．Once       D．Since

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    ______ I'm willing to help, I do not have much time available．

    A．While         B．When           C．Once          D．Since

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